Answer:
Negative
Explanation:
There are more electrons (negative charge) than there are protons (positive charge).
Answer:
NK cells<em><u> perform all of these roles</u></em>
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hope this helps
-lvr
Answer:
The main factors affecting rate of photosynthesis are light intensity, carbon dioxide concentration and temperature.
Explanation:
Mastication is just a fancy way to say chewing. Since nothing chemical is going on and the food is just being chewed, the answer is physical.
I believe the answer you're looking for is cellular respiration.