The right answer is to the question is D.Sr
I believe the answer to your question is <span>Glial cells</span>
Well, the carbon cycle provides an example of matter cycling and energy flow in ecosystems. Photosynthesis, digestion of plant matter, respiration, and decomposition are important components of the carbon cycle, in which carbon is exchanged between the biosphere, atmosphere, oceans, and geosphere through chemical, physical, geological, and biological processes.
The movement caused within a fluid to transfer heat is Convection.
D
Punctuated equilibrium is a series of small, gradual changes over long periods of time.
