Answer: 2. Precipitation
Explanation:
Aerobic cellular respiration requores oxygen. Photosynthesis does, as well.
Answer:
a green pigment, present in all green plants and in cyanobacteria, responsible for the absorption of light to provide energy for photosynthesis. Its molecule contains a magnesium atom held in a porphyrin ring.
Answer:
O How can wind be used to generate electricity?
Answer:
A. It is a type of galaxy that is an intermediate between a spiral galaxy and elliptical galaxy
Explanation:
