Question

hi firnds like first ask your que i ans..... my que give scientific reason... 1. the petiole and stem of aquatic plants have air spaces. give scientific reasons.. 2.trees and creepers in the jungle grow tall​

Answer 1

Here's your answer

1. to keep floating, that is, for buoyancy.
2. to receive ample amount of sunlight to carry out the process of photosynthesis.

Hope it helps ✌✌✌