Why are plant leaves green? Select one: a. They absorb only green wavelengths of light. b. They absorb only yellow and blue wavelengths of light. c. They reflect nearly all wavelengths of light. d. They reflect green wavelengths of light. e. They reflect yellow and blue wavelengths of light.

Option D.

They reflect green wavelengths of light

Explanation:

Plant leaves are green because they have chlorophyii in their chloroplast. Chloroplast is a organelle that contain the green pigment chlorophyii. The plant contain chlorophyii a and b. The Chlorophyii absorb blue and red wavelengths and other wavelengths are reflected including green are reflected so that the leaves appear green.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.