The answer is
b. The food runs out and visuals in population starve
First scientist Believe they are like bacteria or prokaryotes but now they new the real truth that virus is different neither living nor non living !!
Regulates body temperature.
Moistens tissues in the eyes, nose and mouth.
Protects body organs and tissues.
Carries nutrients and oxygen to cells.
Lubricates joints.
Lessens burden the on kidneys and liver by flushing out waste products.
Answer:
Option D.) Groundwater
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Soil and rocks maybe. not too sure.