Answer:
The most important things for a cell are oxygen in order to respire and Glucose, also for respiration. This is used in a process called glycolysis where the cell makes a chemical called ATP which is basically our energy. ... So basically a cell needs lots to stay alive.
Explanation:
Elements [or radicals] with valency one are monovalent, those with valency two are divalent, and those with valency three are trivalent.
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What is the Valency of an Element / Radical?
Valency Divalent [2]
Element / Radical Oxide [Oxygen]
Symbol O
Ion O2-
They are joined together by a common centromere.
I don’t see any answer options but photosynthesis relies on the sun♀️♀️
The reason that producers are found at the bottom of the trophic level is because producers eat plants and other things and other types of animals eat them and take their energy. Hope this helps.