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2 years ago

I need this in an hour

Biology

2 answers:

just olya [345]2 years ago

4 0

Answer:its bus and help me

Explanation:and pls dont report

Maurinko [17]2 years ago

3 0

Bus. the bus has more mass than the other things stated.

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Should fracking be used to release natural gas and oil ?

oksian1 [2.3K]

Explanation:

Fracking is the introduction of substances into a formation in order to increase they pore pressure and to increase natural drive of hydrocarbons.

Fracking has several environmental issues associated with it;

Fracking leads to air pollution in case of blowout of gas pressure in formations, particles and dusts can become blasted into the environment.
Proppants in fluids channeled into formations can lead to ground water contamination.
In areas where fracking is done, there might be an exposure to harmful chemicals.
Destruction of the natural habitats of animals.

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2 years ago

Which statement explains why oxygen molecules easily diffuse across a cell membrane while glucose molecules do not?

Artemon [7]

Oxygen molecules diffuse fast because the main gas in a cell in Carbon Dioxide its like if it was 99.9 percent carbon that .1 percent is oxygen and carbon dioxide being what it is. Automatically overrides the amount of oxygen. Basically it is nonpolar

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2 years ago

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Glucose is broken down in the chemical processes of aerobic respiration.

Papessa [141]

$\bold{\huge{\purple{\underline{ Answer }}}}$

Aerobic respiration :- Aerobic respiration is process of respiration in which complete oxidation of glucose takes place in the presence of oxygen

That is, 

Aerobic respiration is takes place in four stages :-

Glycolysis
The link reaction
The Krebs cycle
Oxidative phosphorylation

In aerobic respiration, Glucose with 6 carbon atoms broken into 2 pyruvic acid each with 3 carbon atom and produces water + CO2 + energy.

<h3>Whereas, </h3>

Anaerobic respiration :- is the process of respiration in which incomplete oxidation of glucose takes place in the absence of oxygen

The end products of glucose in anaerobic respiration is

In human muscles,  Lactic acid + Energy
In yeast, Ethanol + CO2 + Energy

Hence, Option D is the correct answer.

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1 year ago

What occurred during the Cambrian explosion? How is this significant in terms of common ancestry?

tia_tia [17]

The Cambrian Period marks an important point in the history of life on Earth; it is the time when most of the major groups of animals first appear in the fossil record. This event is sometimes called the "Cambrian Explosion," because of the relatively short time over which this diversity of forms appears

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1 year ago

A dichotomous key may be used to classify butterflies.

kirill115 [55]

Well yes, but a dichotomous key can be used to classify just about anything you want.
Hope that helped

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2 years ago

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