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weqwewe [10]
3 years ago
8

A balance must exist between substances entering and exiting cells. Most animals take in substances by _____.

Biology
2 answers:
Sidana [21]3 years ago
8 0
In-taking new substances and excreting waste
Bingel [31]3 years ago
4 0
<span>breathing, sweating, and urinating</span>
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Chloroplast of the plant cell.

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Compare mitosis with meiosis by filling in the chart below:
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22:- in mitosis stem cells and somatic cells cell division occurs and in meoisis germ cells cell division occurs

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3 0
2 years ago
Which of these are the two major sources of nitrate pollution in rivers?
nikklg [1K]

Answer:

The correct answer is <em>c. animal wastes and fertilizers. </em>

Explanation:

Two major sources of nitrate pollution are farming and breeding activities. There are also certain industrial activities involved in nitrate pollution, but in general, these industries are related to agriculture.

The indiscriminate use of fertilizers for several years in intensive productions produce high nitrate concentration in soil and consequently elevate the risk of nitrate lixiviation.

Breeding animals produce nitrate pollution by their wastes, which accumulate and are not treated. These wastes include flesh, hair, feathers, skin, fat, liquids, excrements, among others. These wastes are an important source of nitrate.

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4 0
2 years ago
Is starch a carb found in plants
inessss [21]
Yes it is a carbohydrate found in plants
7 0
3 years ago
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When you place a ball at the top of a hill and it accelerates toward the bottom
Alenkinab [10]

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When a ball accelerates toward bottom it experiences both rolling friction and air resistance.

Explanation:

  • When the ball rolls from the hill the gravitational force of attraction comes in action and accelerates the ball toward the bottom of the hill.
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