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2 years ago

Which statement best describes the role of oxygen in cellular respiration?

Chemistry

1 answer:

Genrish500 [490]2 years ago

6 0

The role of oxygen in cellular respiration is to make water molecules. hence, option (D) is correct.

<h3>What is Cellular respiration ?</h3>

Cellular respiration is the process in which cells break down molecules for energy.

The cells use oxygen to break down food in the form of glucose to produce water and release carbon dioxide.

During aerobic cellular respiration, glucose reacts with oxygen, forming ATP that can be used by the cell. Carbon dioxide and water are created as byproducts.

In this reaction, energy is produced in the form of ATP that is used by the cell for its various activities.

Thus the correct answer is option D.

Learn more about respiration here ;

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Which process transfers heat from the ground to the air touching it? Conduction Convection Evaporation Radiation

Delicious77 [7]

Convection

Explanation:

Heat is a form of thermal energy borne as result of thermal energy. It is observed as temperature differences between places.

There are different types of heat transfer:

Conduction
Convection
Radiation

Conduction is a heat transfer which involves the actual movement of the collision of the molecules of the medium.

Convection is a heat transfer in fluids by their movement from areas of higher to places of lower heat.

Radiation is heat transfer using electromagnetism and does not involve molecules of the medium

The process of heat transfer from ground to the air touching it is convection. It involves particles of the air.

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3 years ago

A stable nuclei will have equal numbers of

Marina86 [1]

Answer:

Protons and Neutrons

Explanation:

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3 years ago

Read 2 more answers

The carbon−14 decay rate of a sample obtained from a young tree is 0.266 disintegration per second per gram of the sample. Anoth

Novosadov [1.4K]

Answer:

3.30 × 10³ years

Explanation:

1) Carbon-14 disintegration rate of a young (alive) tree: 0.266 per second per gram.

2) Carbon-14 disintegration rate of a wood sample prepeared from an object recovered at an archaelogical excavation (dead matter): 0.178 per second per gram.

3) Ratio of decay: A/A₀ = 0.178 / 0.266 = 0.669

4) Half-life equation: A/A₀ = (1/2)ⁿ, where n is the number of half-lives since the object died.

5) Substitute and solve for n:

0.669 = (1/2)ⁿ

$nlog(1/2)=log(0.669)\\ \\n=\frac{log(0.669)}{log(1/2)}\\ \\n=0.578$

That means that 0.578 half-life has elapsed since the wood with which the object was created was dead matter.

6) Convert number of half-lives to years:

0.578 half-life × 5715 years/half-life = 3,303 years = 3.30 × 10³ years.

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3 years ago

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Answer:

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Explanation:

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4 years ago

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C. Ionic is the answer

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3 years ago