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Anna35 [415]
3 years ago
11

Most of the Earth's oxygen occurs in the form of minerals in the crust and mantle. The oxygen that is available in the atmospher

e is used primarily by plants, animals, and bacteria to perform cellular respiration.
Why is running out of oxygen still not a real concern?
Biology
1 answer:
Vlad [161]3 years ago
8 0
I think it's because of other organisms produces oxygen

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Explanation:

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So, in the food web shown in the question, the wheat is consumed by the grasshopper, the grasshopper is consumed by the frog, and the frog is consumed by the snake.

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2 years ago
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umka21 [38]

Answer:

e) Political governance.  

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d) Personal activities, including work.

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f) Social recreation issues.

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The quality of life is an index that is calculated by using different estimators that covers diverse aspects of human life such as, among others health, safety, happiness, security, transportation, etc. The INEGI (National Institute of Statistics and Geography, Mexico) calculates the quality of life by using the estimators above described (and others). In my opinion, the most important one of this list is political governance, because it is an underlying characteristic that has a direct effect on the further estimators, thereby affecting their performance in a short/medium-term period.

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3 years ago
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zloy xaker [14]

Answer:

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7 0
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Answer:

C

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because it makes sense

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