The answer is global warming
The primary advantage is that it increases survival rates of those who are endangered in any kind.
Scientific laws or laws of science are statements, based on repeated experiments or observations, that describe or predict a range of natural phenomena. ... Scientific laws summarize the results of experiments or observations, usually within a certain range of application.
D. Low side pressure is high and high side pressure is low
I looked it up and it should be D. Nerve cells :)