Question

why would life not be possible on the earth in the absence of photosynthesis ​

Answer 1

Answer:

In the absence of green plants, there would not be the process of photosynthesis. ... Besides oxygen which is essential for the survival of all living organisms is produced during photosynthesis. Thus, we can say that life would be impossible on the earth in the absence of photosynthesis.

Answer 2

Answer:

Photosynthesis is important for the existence of life on this earth . In the absence of photosynthesis , would not be possible on earth . This is due to the following reasons.

i) Photosynthesis by plants provides food to animals (including human being ) . So , the survival of animals including human beings depend on the food made by plants by photosynthesis . In the absence of photosynthesis , there would be no plants on the earth and hence no animals will survive.

ii) The process of photosynthesis by plants put oxygen gas into the air . It is this oxygen gas which the animals use for breathing and respiration. 

So, due to this all reasons life is impossible on the earth in the absence of photosynthesis.

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Explanation: