Cells defend themselves from viruses, bacteria with armor of protein errors
the elements that typically take electrons are generally found in the right, upper portion of the periodic table and include fluorine, oxygen and nitrogen.
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In any ecosystem, there are factors to control populations.
In a stream, the predators of a certain organism will help keep populations checked. Moreover, the limited resources, such as space and food, will keep the population from growing out of control.
B. 2n.............................
Answer:
sun gives plant energy which gives animal and humans food
Explanation:
