Answer:
the process by which oxygen released into the atmosphere by photosynthetic organisms is taken up by aerobic organisms while the carbon dioxide released as a by-product of repiration is taken up for photosynthesis.
Explanation:
Plants use carbon dioxide in a process known as photosynthesis. During photosynthesis, plants give off oxygen as a waste product. Carbon dioxide moves from the air into the leaves of plants through tiny openings in the plant's leaves. Oxygen moves out of the plant leaf through these same openings
The current population of the United States of America is 325,372,521 as of Thursday, January 12, 2017, based on the latest United Nations estimates.
D. Semiarid region. It has low rainfall but is not considered a dessert climate.
I would say “C” Major universities and research institutions, because the Quaternary sector is based on processing and sharing information and is considered the “knowledge based” part of the tertiary sector. Major universities and research institutions require a lot of knowledge based work and have job positions working their such as teachers and researchers. Hope this helps. :)
