Explain how microorganisms are friend and foe.​

Because they are beneficial

Explanation:

There are microorganisms in our large intestine that synthesis vitamins and allow them to be absorbed into the bloodstream. However a tiny minority are pathogens (disease-causing agents). These pathogens often called germs or bugs, are a threat to all life forms.

if the thermos has a vacuum innner, then heat through conv currents and conduction are reduced = vacuum flask

i would say the answer is food.

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