Answer:
See Below.
Explanation:
The main function of the plants leaves is to create it's own food source via photosynthesis which produces glucose as one of it's products. Transpiration also occurs in the plant leaves where water evaporates out of the leaf increasing the concentration gradient, allowing more water to move up via the xylem via a column of water.
To protect them from ultraviolet rays from the sun.
metaphase I'm not sure but I think it is the answer
