Question

20.Leafs fall due to_______________​

Answer 1

Answer:

The short answer is that leaves fall off trees when they aren't doing their job any more. Aleaf's job is to turn sunlight into food for the tree. To do this, the leaf needs water. ... The tree doesn't want to waste all the good things in the leaf, so it takes the nutrients from theleaf back into the stems and roots.

Answer 2

Gravitational force.

Gravitational force is responsible for making leaves and fruits ,fall.

Explanation:

Hope this answer will be helpful..