What makes leaves to be green

Leaves are colored by molecules called pigments. The pigment that causes leaves to be green is chlorophyll. Chlorophyll is important for plants to make food using sunlight. The color change usually happens before the leaves fall off of the tree.

~Real

Leaves are colored by molecules called pigments. The pigment that causes leaves to be green is chlorophyll. Chlorophyll is important for plants to make food using sunlight. ... The color change usually happens before the leaves fall off of the tree.

Explanation:

b. the carbon cycle ensures living things have a source of hydrogen