B. The hummingbird population is best described as having to compete for resources.
More about hummingbird population:
The biological bloodline of Trochilidae includes hummingbirds, which are indigenous to the Americas. They contain about 361 species in 113 genera and are found across Alaska to Tierra del Fuego, however the mass of the species are found in the tropics close to the equator. Their favorite color is red, and they primarily devour minute animals like aphids and spiders, with the occasional exception of pollen and sap.
Throughout the course of the day, hummingbirds eat a variety of small meals that can total up to twelve times their muscle mass in nectar and invertebrates.
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On a topographic map in a scale of 1 : 1,000,000, the length between two points is 10 cm. What is the aerial distance between those two points in nature?
The aerial distance between the two points is 100 km on a topographic map.
The relationship between map distance and real ground distance is known as map scale.
What is map scale?The ratio between a distance on a map and its actual distance on the ground is known as the map's scale. This simple concept is complicated by the fact that scale must vary across a map due to the curvature of the Earth's surface. This change makes the idea of scale significant in two different ways.The ratio of a distance on Earth to the same distance on a map is known as the map scale or cartographic scale. There are three primary scale types found on maps: fractional scales, graphic scales, and written or verbal scales. One kilometer on the ground is equal to one centimeter on a map with a scale of 1:100,000.People can accurately visualize how the distances mentioned on the map are plotted by using map scales. This is helpful in figuring out how to get from one area to another, especially if one travels or works in a job that requires such knowledge.Map scale on a topographic map = 1:1000000
length between two points = 10cm
aerial distance = x
Therefore
1:1000000 = 10:x
aerial distance(x) = 10000000 cm or 100 km
Hence, the aerial distance between the two points is 100 km.
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hydrogen + hydrogen
helium + energy
1. What do you predict will happen to the amount of hydrogen over time? Use evidence from the equation
above to justify your claim.
2. What do you predict will happen to the amount of helium over time? Use evidence from the equation
above to justify your claim.
3. Based on your answers to #1 and #2, do you predict our Sun will provide Earth with the right amount of
energy forever?
Hydrogen is clean gasoline that, when fed on in a gasoline cell, produces the best water. Hydrogen can be comprised of a selection of home resources, which includes natural gas, nuclear strength, biomass, and renewable power like solar and wind.
The most common location to discover hydrogen on the earth is in water. every water molecule (H2 O) consists of two hydrogen atoms. Hydrogen is also found in an extensive range of compounds at some point on the earth such as hydrocarbons, acids, and hydroxides.
But it isn't always used as domestic gas, due to several reasons: Hydrogen is not easy to be had and the price of production is high unlike other gases, hydrogen is not effortlessly to be had inside the ecosystem. It calls for processes like the electrolysis of water for its production. this is a completely costly method and time-consuming.
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The names of each month in a calendar year have
least 4 letters.
In a calendar year, the months of June, July, and May all have at least four letters.
What is a calendar year, exactly?According to the Gregorian calendar, a calendar year is the 12-month period beginning on January 1 and ending on December 31. The fiscal year for individual and corporate taxes typically coincides with the calendar year.
In general, a calendar year has a certain number of days because it starts on the given calendar system's New Year's Day and ends on the day before the following New Year's Day.
What distinguishes a year from a calendar year?An official calendar year always starts on January 1 and concludes on the last day of the following month (Jan. 1 to Dec. 31 for those using the Gregorian calendar). Any day can serve as the first day of a fiscal year, which has a 365-day end date.
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Why does summer in the northern hemisphere occur when earth is farthest from the sun?.
Seasons are not caused by the Earth's shifting distance from the sun. We are usually the farthest away from the sun in early July during northern summer and the closest in January during northern winter.
Earth's tilt on its axis is what causes the seasons. Due to the tilt of the Earth's northern hemisphere toward the sun, it is currently summer there. We are mostly exposed to the sun's beams.
Likewise, winter has arrived in the Southern Hemisphere due to the tilt of the Earth's axis away from the sun. Cooler temperatures result from more indirect sunlight.
However, the Earth's shifting distance from the sun has an effect on the length of the seasons. That's because when we're the furthest away from the sun, like right now, Earth's orbit is the slowest. As a result, summer is the longest season in the Northern Hemisphere while winter is the longest season in the Southern Hemisphere.
In the Northern Hemisphere, winter is the shortest season, while summer is the shortest in the Southern Hemisphere, both by approximately five days.
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Weathering of rocks usually is most intense in the center of a rock fragment, and gradually decreases toward the outside. select one:
a. true
b. false
Answer:
B - False
Explanation:
Weathering is caused by water, soil, wind or anything that can cause friction
Abyssal plains are large, flat features that cover about ________ of the planet.
Abyssal plains are large, flat features that cover about one third of the planet.
What are Abyssal plains?The broad, flat, sediment-covered regions of the deep ocean floor are known as abyssal plains. They have a slope of less than one foot of height variation for every thousand feet of travel, making them the flattest, featureless places on Earth.When tectonic plates separate, magma rises and forms new crust, filling the space that was left between the plates. When sediments from the shoreline pass over the continental shelf, tumble down the continental slope, and deposit on top of the more recent oceanic crust, they create an abyssal plane.Learn more about Abyssal plains here:
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Metamorphic rocks found in cratons are exposed during orogenesis by? shear strain magmatic intrusion c exhumation epeirogeny
Metamorphic rocks found in cratons are exposed during orogenesis by exhumation.
What are Metamorphic rocks?Metamorphic rocks have experienced significant alteration from their original state as igneous, sedimentary, or earlier types of metamorphic rocks.Metamorphic rocks are produced when rocks are subjected to high pressures, high temperatures, hot mineral-rich fluids, or, more usually, any combination of these circumstances. There are three different ways rocks can form before they undergo metamorphism. The three categories are contact metamorphism, regional metamorphism, and dynamic metamorphism. Contact Metamorphism occurs when magma comes into contact with an existing body of rock.What is exhumation?Exhumation is the vertical upward movement of a rock particle toward the Earth's surface, more precisely the vertical upward component of a rock-particle path with respect to the surface.
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What is the name of the high-altitude plateau where the andes mountains reach their greatest width?
Answer:
The Altiplano
Explanation:
The 1964 earthquake in alaska was very powerful (9.2mw), yet the loss of human life was not as high as it could have been. what factors helped to limit the loss of life?
The factors that helped to limit the loss of life in Alaska 1964 earthquake were:
Above-average temperatures helped to prevent cold-related deaths as heating systems were being repaired.
The tsunami struck when the tides were low.
Relatively few people lived in the area at that time of year.
Alaska is not a heavily populated region. The earthquake that happened on March 27, 1964, was the second-biggest earthquake ever recorded in the planet and the greatest in US history (magnitude 9.2 on the Richter scale). Numerous landslides and avalanches were caused by the four-minute earthquake. There was significant structural damage in many of Alaska's main cities.
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Watershed: A region in which all rainfall eventually flows downhill through a system of streams and tributaries into the same body of water, such as the catchment basin of a river or lake.
Milkshed: A region in which fresh milk is produced and can be delivered without spoilage for sale and consumption.
A dairy farm sits at the center of an area, the size of which is determined by how far fresh milk can be shipped and still maintain shelf-life for consumers. Given the definitions, watersheds and milksheds can best be classified as what type of region?
A dairy farm sits at the center of an area, the size of which is determined by how far fresh milk can be shipped and still maintain shelf-life for consumers is classified as milksheds.
A dairy farm sits at the center of an area, the size of which is determined by how far fresh milk can be shipped and still maintain shelf-life for consumers is classified as milksheds because milksheds is a region in which fresh milk is produced and can be delivered without spoilage for sale and consumption.
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Who discovered world?
Answer:
Christopher Columbus discovered the world
What was not among the activities wovoka counseled would result in the restoration of indian lands?
Wovoka counseled would result in the restoration of Indian lands they gave up alcohol, lived a simple life, and devoted themselves to and devoted themselves to prayer, white men would disappear from the earth, Indian lands would be restored, and dead Indians would rejoin the living. The message hope was embodied in the Ghost Dance ritual, involving days of worship expressed in part through dance. Indian agents grew alarmed and thought that the dancing meant that the Indians were preparing for war.
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How does the sediment in glacial till compare to the sediment being transported by the braided streams draining away from the terminus?
The main types of sediment in a glacial environment are described below. Supraglacial (on top of the ice) and englacial (within the ice) sediments that slide off the melting front of a stationary glacier can form a ridge of unsorted sediments called an end moraine. The end moraine that represents the farthest advance of the glacier is a terminal moraine. Sediments transported and deposited by glacial ice are known as till.
The sediment in glacial till compare to the sediment being transported by the braided streams draining away from the terminus as one is unsorted and stratified.
What is sediment?Rocks however little as small dirt particles and bigger ones that seem to be moved by the water are called sediment. Quick water can get, suspend, and move bigger particles more effectively than sluggish waters.
The Glacier sediment that is present is usually unsorted as well as unstratified. But when it comes to steam deposits these are the ones that are stratified and most certified this can be because of the draining and the flow of water that is present at that point in time. Also how the particles are moving is also a key factor in determining the sediments and the way that they are.
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Where did the oxygen in our atmosphere come from?
Physics if the entire population of the united states forms a human chain by holding hands, how many times can such a chain be wrapped around the earth's equator?
If the entire population of the United States forms a human chain by holding hands, 7 times can such a chain be wrapped around the earth's equator.
Calculation :Assuming that the size of the earth is 4 X [tex]10^{7}[/tex] meters
The average distance between palms of the 300 million Americans (3X[tex]10^{8}[/tex]) is one meter.
3X[tex]10^{8}[/tex] persons in a human chain at a length of 1 meter each = 3X[tex]10^{8}[/tex] meters
chain divided by the diameter of the earth: (3X[tex]10^{8}[/tex]) / (4 X [tex]10^{7}[/tex]) = 7.5 times
However, because we are only estimating in this section, any response between 5 and 15 is accepted as being correct.
Hence, 7 times can such a chain be wrapped around the earth's equator.
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In what ways are people prevented from experiencing the movement of ideas? (examples include censorship, geographic barriers, language barriers) (10points)
The movement of ideas is important for society because it allows interaction between different cultures.
What is the movement of ideas?The movement of ideas is a term that refers to the diffusion capacity that an idea has towards a public. In general, ideas can be conveyed through a conversation or interaction of two individuals. However, there are more ways to spread an idea such as:
MediaTrips to other countriesConversationsForumsAmong othersWhat are the barriers to the dissemination of ideas?Despite having hundreds of outlets, ideas also have limitations that prevent them from spreading to a larger audience. Some of those barriers are:
Censorship: It is when a person is prevented from expressing her ideas freely for going against a political, cultural, religious thought, among others.
Geographical barriers: Geographical barriers prevent the dissemination of ideas because to cross some borders, a document such as a visa or others that allow it to pass is necessary. However, if you do not have the financial means to travel to another country or cross the border, it is not possible to transmit the ideas.
Language barriers: Language is one of the most important barriers because it prevents two people with different languages from sharing their ideas with each other.
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FIND The Mid point
in the NUMBER Live If:
X₁ = -7; X₂=5
Answer:
The midpoint here is -1.
Explanation:
[tex] \frac{ - 7 + 5}{2} = - \frac{2}{2} = - 1[/tex]
Why are temperatures cooler in quito, ecuador, than in most other places located near the equator?.
Despite being close to the equator, Quito has a cooler climate due to its higher altitude. Higher latitude locations have a cool environment. This is because temperature drops as altitude rises.
Since Quito is so close to the equator, it is quite uncommon to get high pressure systems. Systems with extremely low pressure are likewise uncommon since pressure is steady.
Almost all of the western section, on both the plain and the coast, is impacted by a cool ocean current called the Humboldt current. This reduces the temperature a bit and makes the climate more arid. Andes crosses the center part and is therefore mostly cold depending on altitude.
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Belgium, great britain, france, germany, italy, portugal, and spain all established ________ in the region.
Belgium, great britain, france, germany, italy, portugal, and spain all established colonies in the region.
Europe is regarded as the birthplace of Western Civilization and has a lengthy history of human development. Today, the European Community including France, Spain etc. is strengthened by this cultural treasure, which is also one of the continent's most valuable exports to the rest of the world.
About 43 million people died in Europe during World War II, including about 6 million victims of the Holocaust. More than 40 million people were displaced by World War II, which also helped European colonies all over the world gain their freedom and wreaked havoc on the urban infrastructure of numerous European towns.
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Question 2
1 pt
A group of scientists have just concluded that all cow meat contains a bacteria that is
harmful and in some cases deadly to humans. They are determined to share this information
so that consuming beef would no longer be allowed. What is this an example of?
O peer-review
O policy for science
O science for policy
O Step 4 of the scientific method
Answer:
I would think, policy for science. (OPTION B)
Explanation:
They are restricting that the people are not allowed to eat beef because of the disease found in the cows that could potentially make them sick. I would think that scientists and the health agencies are not allowed to take any risks of letting the people eat contaminated meat.
Answer: science for policy
Explanation: this one is correct; I had it on my exam
A long, thin cloud that stretched from directly overhead to the western horizon would have an angular size of.
A long, thin cloud that stretched from directly overhead to the western horizon would have an angular size of 90 degrees.
Before sunrise, you can see the crescent moon (also called the old moon) waning in the east. Each morning after that, the waning crescent moon reveals less and less of its illuminated part, the day side.
Some people call the thin crescent moon seen on the western horizon after sunset the new moon. We always see these little crescent moons setting just after the sun, one or two days after every new moon. But astronomers don't call these tiny crescents new moons.
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Literary works by writers from visayas and mindanao
There are many literary artists that came from the Visayas and Mindanao regions. Some of the well known personalities are the following:
Martin Abellana
Francisco Alvarez
Francisco Alvarado
Cora Almerino
Erro Merquita
Macario Tiu
The last two are Mindanaon writers who recently won the Carlos Palanca Award by writing Isla Verde and Black Pearl, respectively.
Visayas is one of the Philippines' 3 important island organizations. In crucial Visayas, Cebu town’s Spanish colonial architecture consists of the triangular citadel San Pedro and the Basilica del Santo Niño. Bohol Island’s Chocolate Hills are a group of extra than 1,000 conical, grass-protected mounds that flip brown in the dry season. In Corella, rare worm-eyed primates called tarsiers are included on the Philippine Tarsier Sanctuary.
What's Visayas recognized for?
The Visayas is known for sparkling mangoes, scenic drives, common bus services by way of corporations which include Ceres Liners (although no longer speedy at an average speed of 30 to 35 kilometers in keeping with hour relying on visitors situations) and a mess of smaller islands to discover, dive or snorkel at.
What are the five foremost islands in Visayas?
The Visayan group consists of seven massive and numerous hundred smaller islands clustered across the Visayan, Samar, and Camotes seas. The seven essential islands are Bohol, Cebu, Leyte, Masbate, Negros, Panay, and Samar.
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volcanic eruptions are likely to be more explosive for magmas that have . (select all that apply.)
High viscosity magmas and magmas with a high gas content prefer explosive eruptions (andesitic to rhyolitic magmas). The magma is broken up into liquid clots by the explosive bubble explosion, and these clots cool as they fall into the atmosphere.
How does volcano erupt?Because of how hot it is deep under the Earth, some rocks slowly melt and turn into a thick, flowing material known as lava. Magma rises and gathers in magma chambers because it is lighter than the surrounding solid rock. A portion of the lava eventually rises to the Earth's surface through vents and fissures.
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Why is a glass of water heavier than a pencil
Answer: Water is denser and has more mass
Explanation: that what i think
Answer:
the mass of water is bigger than the pencil
Please help due soon.
What large freshwater bodies form part of the border between the modern-day us and canada?.
Large freshwater bodies form part of the border between the modern-day US and Canada are the great lakes which include Lakes Superior,Ontario and Michigan, Huron, Erie.
What is Great lakes?The Great Lakes are a collection of five sizable lakes in North America that are either on or close to the Canadian-American border. They make up the world's largest collection of freshwater lakes. Due to their hydrological connection, Lakes Michigan and Huron are occasionally referred to as Lake Michigan-Huron. When taken as a whole, Michigan-Huron would have a surface area greater than Lake Superior but a smaller amount of water overall.Between Lake Huron and Lake Erie, there is a sixth, much smaller lake called Lake St. Clair that is a component of the Great Lakes system but is not regarded as one of the "Great Lakes."Learn more about the great lake here:
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Explain how the chemical stability of a mineral is related to the temperature at which the mineral forms.
The stronger the bonds between the atoms, the harder it is to break that bond, ending in a more stable state, so this is how the chemical stability of a mineral is related to the temperature at which the mineral forms.
Minerals that form at lower temperatures are chemically more stable and will decompose into clays only after higher degrees of weathering. Quartz is the only mineral that will not chemically decompose to clay. Surface water in the form of rivers and streams is one of the most powerful agents for weathering rocks.
There are several commonly considered factors that affect the stability of a chemical compound, such as metal ion concentration, mixtures of ion concentrations, pH, buffering agents, complexation agents, and temperaturehere Chemical stability is a measure of the tendency of a chemical compound to maintain its original chemical composition rather than break down to form a different chemical.to know more about weathering click here
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Look at this angle:
V
U
W
What is the vertex?
The pressure that people place on the land to produce enough food is measured by?
The pressure that people place on the land to produce enough food is measured by Physiological Density.
The number of people per unit area of fertile land is known as physiological density or actual population density.
A greater physiological density indicates that more agricultural land is being used and that the country may hit its production limit sooner than a lower physiological density country. In spite of its extensive desert, Egypt is a remarkable example, with physiological density approaching that of Bangladesh.
The physiological density of the region aids in our understanding of the population dependency on a given parcel of land. We are better equipped to comprehend how much food is produced locally and how many people it actually needs to feed.
We can determine how long a certain farming area—also known as arable land—will remain productive using a physiological density. This approach indicates the population density, and the higher the density, the faster the arable land will be depleted or reach its capacity.
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Why have we not found examples in the fossil record of every animal that ever lived on earth?
We have not found examples in the fossil record of every animal that ever lived on earth because
An animal must be buried for tens of thousands or millions of years before it (and the layer around it) solidify into rock in order to become a fossil. Several fossils are still buried. Only when they are revealed by excavation or erosion can we locate them.
An animal must be immediately and thoroughly buried in ash or sediment before it has a chance to decay in order to become a fossil. The earliest animals were minuscule and did not leave any fossils. The oldest animal fossils are found in strata from shallow equatorial seas that were formed more than 600 million years ago.
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