Which tool is used to test for nitrates?
A. soil testing kit
B. water quality testing kit
C. pH meter
D. turbidity test

BTW the answer is A, so this question is to enlighten others :)

Answer:

Nobody knows you didnt put any choices i d i o t

Explanation:

Answer:

Crime also involves violations of the Convention on International Trade in Endangered Species of Wild Fauna and Flora (CITES), which regulates exports, imports, and re-exports of wildlife.

Answer:

mitochondrion

Explanation:

Answer:

The answer to your question is Diffusion. No other explanation.

Answer:

Simple diffusion

Explanation:

Answer:

nucleotide; nucleic acid

Explanation:

nucleic acid is the polymer, and nucleotide is the monomer as its the buliding block of nucleic acid.

Answer:

Plastic wrap is commonly made out of PVC (Polyvinylidene Chloride). In recent years other PVC alternatives have become more popular. The most popular option in recent years is LDPE (Low-Density Polyethylene) because it is considered to be safer for the body. The best management for plastic wrap would have to be by you taking plastic wrap to local retail stores where they collect plastic grocery bags for recycling. Any package that you see with the How2Recycle Store Drop-Off label can be recycled this way.

Human waste from excretion is probably classified as organic waste, since it comes from you and the food you eat. The best management for human excretion would probably be sewer pipes that lead into the sewage system that lead into other mainframes.

Wastewater is an odd typing since it contains human waste, food scraps, oils, soaps and chemicals. The best management for this would include physical water treatment, biological water treatment, chemical treatment, and sludge treatment.

Cell A is more efficient at exchanging substances due to larger surface area to volume ratio.

Cell A is more efficient at exchanging substances with the surrounding environment than cell B because it has the larger surface-area-to-volume ratio. Larger surface area of the cell exchanges more substances with the surrounding environment.

While on the other hand, lower surface area of the cell exchanges less materials with the environment so we can conclude that cell A is more efficient at exchanging substances due to larger surface area to volume ratio.

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Answer:

ExpWhat is Biodiversity?

Biodiversity and food webs

Biodiversity is referred to as the web of life because many microorganisms, plants and animals interact with each other. The relationship among species is an important part of biodiversity.

A food chain is a sequence of who eats whom. The usual order of a food chain is sunlight, plants, herbivore, omnivore and/or carnivore. In one type of farming food chain, green grass and wildflowers use sunlight to grow in a field maintained by a farmer called a pasture. A Billy (boy) or Granny (girl) goat grazes on these delicious plants in the pasture. A goat or any other plant-eating animal is called an herbivore. Animals that rely on the farmer for food and protection are domesticated. In turn, the goat provides milk, meat and wool for the farmer, his family, and others. Humans are omnivores, as they eat plants and animals. The goat also provides fertilizer. Microorganisms decompose the goats’ poop or excrements, which provides fertilizers for the grass and flowers to grow. This is one example of a simple food chain based only on green plants, goats, microorganisms and humans. Millions of food chains exist around the world. Food Chain

Food chains that are related in an ecosystem form a food web. In forest ecosystems, many types of herbivores eat the trees and other plant life. Carnivores, or meat-eating animals such as tigers, lions, and wolves, prey on herbivores. They usually prey on wild animals. Sometimes, if the habitats or homes of carnivores are destroyed, they may also attack goats, sheep or cows for food. For example, in India, farmers may lose their goats to tigers; in Eastern Africa, cows may provide lunch for lions and in Western Canada, wolves sometimes attack the domesticated sheep. Carnivores are an important part of biodiversity because they regulate herbivore populations so that they do not eat their favorite plant species to extinction.lanation:

Answer:

The seven steps of the scientific method

Ask a question.

Perform research.

Establish your hypothesis.

Test your hypothesis by conducting an experiment.

Make an observation.

Analyze the results and draw a conclusion.

Present the findings.

Explanation:

Answer:

the liver

Explanation:

With some species of malaria, such as Plasmodium vivax and Plasmodium ovale, the parasite can lie dormant in the liver. It can therefore take up to a year for symptoms to develop (see life cycle above). Once inside the body, the malaria parasites grow and multiply inside the red blood cells.

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Answer:

Liver

Explanation:

Answer:

D or B I'm thinking its D

Explanation:

Answer: C

Explanation:

Explanation:

Dissaccharide is the combination of two mononsaccharide. Example: Fructose and Lactose x

Polysaccharide is the combination of more than one mononsaccharide. Example: Cellulose and Starch

Answer: The water goes into cracks in the rock, and when it freezes it solidifies allowing the ices to spilt the rock.

This is called frost wedging

Explanation:

hope this helps

Have a great day :)

Answer:

hi you got it right, b) Eliminating government funding of research.

Explanation:

Answer:

it's A

Explanation:

it's explaining your idea.

Answer:

B The answer is b because it's a question

Carnivores that eat other animals is a situation which shows a biotic factor operating within an ecosystem. Thus, the correct option is D.

A biotic factor in an ecosystem is a living organism which shapes its surrounding environment. In a freshwater ecosystem, the examples of biotic factors might include aquatic plants, fishes, amphibians, and algae population.

An example of biotic factor should consist of living organisms such as the one "Carnivores that eat other animals". In this example, carnivores are the animals which eat other lower animals for their nutrition. Both the organisms are living hence are the biotic factors of an ecosystem.

Biotic factors of an ecosystem depends upon the abiotic factors for their survival such as water, climate, soil, temperature, and atmosphere, etc.

Therefore, the correct option is D.

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Answer: They are made up of lipid bilayers. Furthermore, their main function is to enclose different structures of the cell regulating the passage of molecules through the membrane. Also, they act as semi-permeable membranes.

Explanation:

Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.

this is in my own words give me brainliest

Answer:

Cellular respiration is a metabolic pathway that breaks down glucose and produces ATP. The stages of cellular respiration include glycolysis, pyruvate oxidation, the citric acid or Krebs cycle, and oxidative phosphorylation.

this is in my own words give me brainliest lol im fastest

Answer:

A= amino acid

B= monosaccharide

C= steroid

D= fatty acid

E= phospholipid

Explanation:

hope that helps:)

Answer:

The four types of economic assumptions that can negatively affect the environment are:

1. Natural resources and human resources are infinite

2. It grants an event in the future less value than one in the present; short-term costs and benefits are granted more importance than long-term costs and benefits.

3. All costs and benefits associated with an exchange of goods or services are borne by individuals engaging directly in the transaction (buyer and seller alone).

4. Economic growth is required to keep employment high and maintain social order.

Answer: Energy from ATP

Explanation:

Answer:

Explanation:

Sister chromatids

During DNA replication the chromosomes contract and the identical halves are called sister chromatids.

A double-stranded DNA molecule is copied to create two identical DNA molecules through the process of DNA replication.

Because every time a cell splits, the two new daughter cells must have the same genetic material, or DNA, as the parent cell, replication is a crucial process.

In prokaryotes, DNA replication takes place in the cytoplasm, whereas it happens in the nucleus in eukaryotes.

Before dividing, cells must copy their DNA. This promotes successful inheritance of genetic features by giving each daughter cell a copy of the genome.

The two identical copies of the DNA that are produced as a result of this replication are known as "sister chromatids," and they are connected to one another by a section of the chromosome known as the centromere.

Thus, the identical halves of chromosome is sister chromatid.

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Answer:

Explanation:

Answer:

it's a carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils.

Explanation:

Answer:

a carboxylic acid consisting of a hydrocarbon chain and a terminal carboxyl group, especially any of those occurring as esters in fats and oils.

Explanation:

Answer:

The formation of a micelle is a response to the amphipathic nature of fatty acids, meaning that they contain both hydrophilic and hydrophobic regions.

Explanation:

Biological membranes remain fluid because of the unsaturated hydrophobic tails, which prevent phospholipid molecules from packing together and forming a solid.

Neuroeffector junctions are varicosities where motor neurons release neurotransmitters to non-neuronal target cells.  These junctions can be observed along the axon.

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Answer:The speed of the water flowing downhill will be affected by the degree of incline, and any structures or topographical features in its path. The faster the water flows, the more erosion occurs. Water flowing downhill moves and deposits sand at the bottom of the river. The faster the water flows, the more sand will be deposited at the bottom. A delta at the mouth of a river forms in the same way. Although the formation of the “rivers” in this activity appeared very quickly, in reality rivers can take millions to billions of years to form a path from land to sea.

Explanation:

I just did it yesterday :)

Answer:

If you have an autoimmune disease, your immune system attacks healthy cells in your body by mistake. Other immune system problems happen when your immune system does not work correctly. These problems include immunodeficiency diseases. If you have an immunodeficiency disease, you get sick more often.

Explanation:

Answer:

Explanation:the predators are predators and how they are predators is because they are predatrods

Answer:

a. Sunlight cannot penetrate through the ash clouds. thus photosynthesize won't occur. so the food chain will begin to collapse from the producer and primary consumer. owls will be out thinking that it's night. they will catch fish resulting in an imbalanced ecosystem. the aquatic population will decrease. then it's the doom days for owls. they will emigrate or will die.

b. the ecosystem will restore. that's how nature works.

The volcanic eruption destroyed the owl ecosystem because it prevented the sun's light from entering, so the food web of the ecosystem was destroyed because there was no food, and a new ecosystem will grow after many months.

The ecosystem has both biotic and abiotic components, and there are many food chains and food webs present in the ecosystem, so the volcanic eruption harmed the ecosystem and killed the populations present, but after many months, when the ashes from the volcanic eruption are cleared, a new population will grow and a new community will be seen.

Hence, the volcanic eruption destroyed the owl ecosystem because it prevented the sun's light from entering, so the food web of the ecosystem was destroyed because there was no food, and a new community will grow after many months.

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