Question

write two reasons why life on earth would not be possible without photosynthesis​

Answer 1

Answer:

there would be no supply of oxygen. all of the many many animals that depend on plants would get very very hungry and gradually die

Explanation:

Answer 2

The reasons are :

• glucose is a product formed after photosynthesis which is essential for every living organisms for their food.

• Oxygen produced as a bi - product of photosynthesis maintains the balance of Oxygen in Atmosphere.