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vichka [17]
3 years ago
15

Which is a nonpoint source of pollution?

Chemistry
2 answers:
IRINA_888 [86]3 years ago
6 0
C : is the answer because it does not contribute to pollution
Vinil7 [7]3 years ago
6 0
C!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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When you breathe the first step is that your lungs expand. why is this step needed
Alinara [238K]

Answer:

When you breathe in, or inhale, your diaphragm contracts and moves downward. This increases the space in your chest cavity, and your lungs expand into it. The muscles between your ribs also help enlarge the chest cavity. They contract to pull your rib cage both upward and outward when you inhale.

Explanation:

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If you start a chemical reaction with 5 atoms of hydrogen, how many hydrogen atoms will you have when it is finished? Group of a
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Answer:

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Explanation:

According to the law of conservation of mass, "matter is neither created nor destroyed in the cause of a chemical reaction".

We finish with what we start with in a chemical reaction. Although new species might form, the number of atoms on both sides of the expression will still be maintained.

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There are 22 bonding parts
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