The energy content of food is described in terms of calories because the energy in food ultimately becomes heat.
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<span>The sun originates all the energy because without no sun, there is no plants, animals or anything .
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Answer:
Explanation:
In facilitated diffusion, molecules diffuse across the plasma membrane with assistance from membrane proteins, such as channels and carriers. A concentration gradient exists for these molecules, so they have the potential to diffuse into (or out of) the cell by moving down it.
MRSA is a kind of staph that can't be killed by antibiotics.
