Question

why would life not be possible on the earth without 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:

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.