Answer:
Because most living things need sunlight
Explanation:
only few creatures can live without it
Answer:
dear user the answer is option A.oxygen level and water temperature and C.salinity and water temperature.
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Common examples of this would be if you place your hand in extremely warm or cold water, and an immediate response of pulling out of the water or any fluid, is an example of this extreme response, other responses are what is done in everyday, like being thirsty or hungry etc.
These behaviours are shared by all organisms even the most simple ones.
The two serous membranes of pericardium are :visceral pericardium,parietal pericardium.
What r the options if u want me to solve it I need options