Answer:
Law of Conservation of Mass.
Is that Right?
how are the light reactions and the calvin cycle connected?
Answer:
The light reactions provide the Calvin cycle with oxygen for carbon fixation, and the Calvin cycle provides the light reactions with sugars to produce ATP. The light reactions provide ATP and NADPH to the carbon fixation step of the Calvin cycle, and the Calvin cycle provides water and electrons to the light reactions.
Explanation:
The energy that drives the Calvin cycle comes from ATP and NADPH produced by the light reactions, that is, the energy capture reactions in the first stage of photosynthesis.
The Calvin cycle is a process that results from photosynthesis made by plants, through which Carbon dioxide is absorbed and transformed into organic material or biomass.
In the light phase, light energy is stored in organic molecules that provide energy to carry out the process (ATP) and have the ability to donate electrons (reducing power) to another molecule such as NADPH.These molecules formed in the light reactions participate in the reactions that make up this cycle during which carbon dioxide (CO2) taken from the atmosphere is fixed, incorporating it into the body in the form of glucose thanks to the action of the enzyme RuBisCo.Therefore, we can conclude that the molecules constituted in the light reactions (ATP and NADPH) participate in the reduction of carbon dioxide (CO2) through the series of reactions of the Calvin Cycle.
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What does the atoms of metals have
Answer:
I dont know
Explanation:
because I dont know
If a piece of metal has a density of 9.865 g and a volume of 14 ml, what is its mass?
Answer:
I think the answer is 138.11 gram
Explanation:
Someone pls help me I will make you you brain
Answer:
I and II
Explanation:
how many atoms of oxygen o are represented on the left side of the arrow in the chemical reaction
Answer:
two oxygen atoms on the left side of the arrow
Air pressure is greatest near the surface of the Earth in the _______.
Question 7 options:
Thermosphere
Mesosphere
Troposhere
Exosphere
Read the following paragraph from the section "Dreaming Of A World Deep Below."
The interior of our planet has long held a fascination for philosophers and storytellers. Some have speculated that another inhabited world lies beneath our own. In 1864, Jules Verne’s novel "Journey to the Center of the Earth" described the fictional adventures of explorers traveling under our planet’s surface. It was a best-seller. People wondered if the world Verne described below our own could be real.
Why does the author include this paragraph in the article?
Question 9 options:
to show how much scientific progress regarding the Earth's core was made during Lehmann's lifetime
to explain a number of popular theories concerning the composition of the Earth's core
to demonstrate how Lehmann's discovery confirmed what Jules Verne already knew about the Earth's core
to describe the attitudes Lehmann needed to overcome in order to introduce her work to the scientific community
Answer:
B
Explanation:
The interior planet has fascinated a lot of people so a lot of theories have been made about what's in there.
The reason author include this paragraph in the article is to explain a number of popular theories concerning the composition of the Earth's core. Thus, option B is correct.
What is acronym?
Acronym has been defined as the short form of long words such as very important person and the acronym of very important person has been VIP. The word acronym has been used to denote the short term of the word in which two or more than two words combined together to form new short word.
Acronym always starts with capital latter and the first word's letter is always capital. Capitalization has been the most important part of the writing as it has the rule of writing that the first latter of the word that starts a sentence must be capital or starts with capital latter.
The sentence has a group of sensible or meaningful word that combines together to form a complete and senseful sentence. The sentence has of several type such as positive sentence, negative sentence, exclamatory sentence as well as introgative sentence.
Therefore, The reason author include this paragraph in the article is to explain a number of popular theories concerning the composition of the Earth's core. Thus, option B is correct.
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Minerals have:
A. an exact chemical composition, such as SiO2.
B. a small range in chemical composition, such as (Mg, Fe)2SiO4
C. a large range in chemical composition, such as (Mg, Fe, Al, K, Na)2SiO4
D. no set chemical composition.
Answer:
B
Explanation:
i don't know minerals a good for the body
Who created the "plum pudding model" of the atom?
Thomson
Rutherford
Crooks
Chadwick
1
16. What biological concept was Mendel studying when he crossed pea plants many times
over many generations?
A dominant and recessive traits
B. imbalance in ecosystems
C. predator-prey relationships
D. male and female genetic difference
Answer:
Explanation:
A: Since the Pea plant matured very quickly he was able to identify how the dominant and recessive genes worked.
which solids will melt under applied pressure? check all that apply.
According to the forces of attraction , ice is a solid which will melt under applied pressure.
What are the forces of attraction?
Forces of attraction is a force by which atoms in a molecule combine. it is basically an attractive force in nature. It can act between an ion and an atom as well.It varies for different states of matter that is solids, liquids and gases.
The forces of attraction are maximum in solids as the molecules present in solid are tightly held while it is minimum in gases as the molecules are far apart . The forces of attraction in liquids is intermediate of solids and gases.
The physical properties such as melting point, boiling point, density are all dependent on forces of attraction which exists in the substances.
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what is the frequency of a 2,600 cm wave
Answer: 1.15 × 10⁷ Hz
Explanation:
Frequency = Speed of Light ÷ Wavelength
= (2.99 × 10⁸ m/s) ÷ (2.6 × 10 m)
= 1.15 × 10⁷ Hz
The frequency of a wave of wavelength 2600 cm is 1.15 × 10⁷ Hz
Notes:
Hz ≡ /s
1 m = 100 cm
The frequency of a 2,600 cm wave is 1.15 × 10⁷ s⁻¹
From the question,
We are to determine the frequency of a wave with wavelength 2600 cm.
Using the formula
[tex]c = \nu \lambda[/tex]
Where c is the speed of light (c = 3.0 × 10⁸ m/s)
[tex]\nu[/tex] is the frequency
[tex]\lambda[/tex] is the wavelength
Then, we can write that
[tex]\nu = \frac{c}{\lambda}[/tex]
From the question
λ = 2600 cm = 26 m
Putting the parameters into the formula, we get
[tex]\nu = \frac{3.0 \times 10^{8} }{26}[/tex]
[tex]\nu = 0.11538 \times 10^{8}[/tex]
[tex]\nu \approx 1.15 \times 10^{7} \ s^{-1}[/tex]
Hence, the frequency of a 2,600 cm wave is 1.15 × 10⁷ s⁻¹
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Dãy các chất tác dụng được với dung dịch HCl loãng tạo thành sản phẩm có chất khí
A.BảO,FE,CaCO3 B.Al,MgO,KOH
C.Na2SO3,CaCO3,Zn D.Zn,Fe2O3,Na2So3
matter is passed down from the living part of an ecosystem to the non living part when witch of the following take place ?
hello can anyone pls help question in picture thx
Explanation:
Chlorine is a non metal so covalent bond. KBr has K metal and Br non metal of opp. charges so ionic bond. Na is a metal so ionic bond. NaCl has Na as metal and Cl as a non metal so ionic bond.
D is incorrect
rutherford called the region that deflected alpha particles
Answer:
Rutherford concluded that these particles were striking... a tiny region of positive charge. Rutherford called the region that deflected alpha particles... a nucleus. The total volume of the nucleus of an atom is... very small compared with the rest of the atom. Except for in the simplist type fo hydrogen atom, all nuclei consist of...
Explanation:
in the reaction of aluminum metal and oxygen gas to make aluminum oxide, how many moles of aluminum will react with 0.80 grams o2?
Explanation:
When 6.38 moles of O2 and 9.15 moles of Al react, the ratio of aluminum to oxygen is 9.15/6.38 = 1.434. This shows that all of the oxygen is consumed before the aluminum and when the reaction ends the reactant aluminum is left. The number of moles of Al2O3 formed is approximately 4.25 moles.
The energy of motion is known as potential energy.
Question 1 options:
True
False
Answer:
False
Explanation:
This is because potential energy is energy that it not used yet.
Someone pls help me I will make you brain
Answer:
c
Explanation:
II and III
Describe how the particles in a substance are represented in particle theory.
Answer:
The particle theory of matter is a model that describes the arrangement and movement of particles in a substance. The model is used to explain the physical properties of solids, liquids and gases. Particle arrangement and movement
Explanation:
who is generally called the father of modern chemistry
Explanation:
Antoine Lavoisier is the answer
Answer:
Antoine Lavoisier is the father of chemistry
Explanation:
Antoine-Laurent de Lavoisier, also Antoine Lavoisier after the French Revolution, was a French nobleman and chemist who was central to the 18th-century chemical revolution and who had a large influence on both the history of chemistry and the history of biology.
Is this true or false for this question?!
Answer:
True, Electrons are way smaller then protons
Explanation:
Someone pls help me I will make you brain
Match them plsss
Answer:
carbon monoxide - B
nitrogen oxides - D
particulate matter - A
sulfur oxides - C
Explanation:
not sure if i'm fully correct though
Answer:
Carbon monoxide is (B)
Nitrogen oxides is (D)
particulate matter is (A)
sulfur oxides is (C)
Explanation:
sorry if I did it wrong
The correct answer is "Greater at 72 °F " hope it helps
What charge would an ion have if it had more electrons than protons?
A. It would have a net positive charge.
OB. It would have no charge.
C. It would have a net negative charge.
Ο Ο
D. It would be neutral, since electrons would be outside the nucleus.
Answer:
it will have a net negative charge and it is known as anion
Which substance tends to form anions when bonding with other elements?
oxygen
calcium
argon
sodium
Answer:
A) Oxygen
Explanation:
i just took the test.
PLEASE HELP i have medical issues and i am behind
Only one of the following is a characteristic of a heterogeneous mixture
a. composition is uniform throughout the mixture
b. contains two or more phrases
c. is a pure substance
d. the mixture composition is always the same
Answer:
b contains 2 or more phases
Which of the following is a physical change?
Dissolving salt in water
Digesting food
Burning wood
Oxidation
what is the weight of the ethil alcohol that exactly falls a 200 .0 mL container ? the density of ethyl alcohol is 0.789 g/mL
Answer:
158 grams
Explanation:
20.What is it called when particles in a solid or liquid move slower and closer
together?
Answer: freezing
Explanation:
when the atoms or molecules in a solid or liquid are moving slower and closer together, it is called brrrrrrrrr freezinf
