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Verizon [17]
3 years ago
14

Only 3% of the Earth's water is fresh and two thirds of that is polluted. True or false ?

Biology
2 answers:
Yuri [45]3 years ago
5 0

Answer:

It's

Explanation:

ycow [4]3 years ago
3 0

Answer:

i think its True? Have a nice day

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The part of a cell that is in most direct contact with the environment is the (a) nucleus (b) cell membrane (c) mitochondrion (d
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Not sure if I'm correct but my best guess is the cell membrane seeing as it surrounds the cell itself and is responsible for allowing certain molecules to diffuse in or out of the cell. Good Luck! :)

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Answer;

"couples" energetically unfavorable reactions to ATP condensation in order to drive the reaction toward the required product.

Explanation;

-Metabolic pathways are designed to synthesize necessary cellular reagents as required for cellular and tissue function. To accomplish this, the reaction sequence includes both reactions that are essentially irreversible and reactions that are freely reversible (near equilibrium).

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3 years ago
Which descriptions of evolution are accurate? Check all that apply. It occurs within an individual’s lifetime. It occurs over ma
erik [133]
<h3><u>Answer;</u></h3>

It occurs over many generations.

It happens at the genetic level.

<h3><u>Explanation</u>;</h3>
  • <em><u>Evolution is the process that involves change in the inherited traits of a population over generations. </u></em>
  • <em><u>The traits involved are the expressions of genes that are copied and passed from the parents to the offspring during reproduction process. Mutations in these genes results to new traits and thus heritable differences among organisms.</u></em>
  • <em><u>Therefore, evolution will only occur when there is change in gene frequency within a population over a given period of time. Genetic differences that are heritable are passed to the next generation.</u></em>

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Answer:B is the right answer I am sure.

Explanation:

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