4,3 of two the between difference the to sent PaulRegards1,2,4Ode3,
Answer:
<h3>The continuous process by which carbon is exchanged between organisms and the environment. Carbon dioxide is absorbed from the atmosphere by plants and algae and converted to carbohydrates by photosynthesis. ... The carbon cycle is thought to be the source of significant amounts of energy in the Sun and other stars</h3>
The correct answer is answer choice b.