Kinesics is the study of body motions as a form of communication.
I believe it's D don't take my word for it.
The key processes in the fast carbon cycle include: Photosynthesis: the absorption of CO2 from the atmosphere (terrestrial plants) and from oceans (marine plants) to produce organic carbon structures. Respiration: the release of CO2 into the atmosphere, soil and oceans by animals as they exhale.
Answer:
Competitive exclusion occurs when " organisms attempt to fill the same niche"
Explanation:
mostly due to the fact that they are competing over the same food source, which is always limited in some way.
They both take place in the nucleus :)