In the carbon cycle, decomposers break down dead material from plants and other organisms and release carbon dioxide into the atmosphere, where it's available to plants for photosynthesis. ... After death, decomposition releases carbon into the air, soil and water.
The answer is B :),this sentence has to be longer LOL
Option D centrioles helps cells to divide.
To part A the answer is continental drift :D to Part B the answer is Mid-ocean ridges :D Hope I was helpful
