Coal was the driving force behind 1800s culture
<span>a. they did not co-evolve with the natural species and lack natural controls, like predators</span>
The answer is b. This is the answer because sometimes the hands free devices can be more dangerous than phones
<span>Cattle and sheep are exposed to lead and zinc when these poisons are in the grass/soil.
Cattle and sheep graze on the grass, and thus they intake these minerals, such as lead and zinc when they come in contact with grass or earth they may eat along with grass. Thus they are exposed to them via eating.
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Answer:
it contains and protects the cell's DNA
