In the summer, leaves are full of chlorophyll, a green-colored substance in plant cells that uses sunlight to produce food for the tree.
(leaves; are; full of chlorophyll; L:In the summer) (a green-colored substance in plant cells; uses; sunlight; to produce food for the tree)
leaves a green-colored substance in plant cells
are uses
full of chlorophyll L:In the summer
sunlight to produce food for the tree