Answer:
b.Photosynthesis
Explanation:
as plants produce 02 in the presence of light
Speed is an expression of how fast an object moves. An object's speed is the rate of the total distance it travels in a certain amount of time. Units of speed include miles per hour (mph), centimeters per second (cm/sec or cm/s), meters per second (m/sec or m/s), or kilometers per hour (kph or km/hr)
<span> concept that all living things were related and that they had changed over time
copy right of development of evolutionary theory</span>
Answer: Carbon moves from the atmosphere and back via animals and plants. Nitrogen moves from the atmosphere and back via organisms. Water moves on, above, or below the surface of the Earth.
Anerobic organisisms need to make oxoygen just like photosynetheic plants