Answer:
When the cell excretes sodium from within against the natural tendency of matter it is performing active transport.
T<span>he MAIN way the skin prevents pathogens from entering the body is B. by acting as a barrier.
Our skin is a barrier between blood and tissues inside and everything found outside of our body. The skin protects us from various kinds of pathogens by shielding us from them.
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C. Bleach. Cleans stuff out of everything
Answer:
B
Explanation:
It is the genes first hypothesis
Yes and no, while it is much better to take out your piercings during X-ray it won’t harm you if you don’t. After doing some reading from what I gather is it just creates a black image blocking what they could be looking for. All you really need to remove is the piercings that are in the way.