The answer to this is most certainly not A or C, so you can rule those out. If you look at DNA, every persons has different nitrogenous bases (<span>adenine (A),guanine (G), thymine (T), and cytosine (C))
This means the answer to your questions is #2, DNA.
Hope I helped you!</span>
The outer core<span> of the Earth is a fluid layer about 2,300 km thick and composed of mostly iron and nickel. It that lies above Earth's solid inner </span>core<span> and below its mantle. </span>
Ketosis is a process that starts when your energy intake hasn't been enough, so ketone bodies, molecules produced by the liver, supply you with energy.
During ketosis, the ph of the blood decreases which means that the bloods acidity increases, which is not healthy.
Hope it helped,
BioTeacher101
Your answer would be Why are Sea Lampreys a problem in the Great Lakes?
In the text, it explains the answer for this question. For the other three questions, it's asking for a factor of the paragraph rather than the whole thing. The whole paragraph explains the answers for all of the questions, so it's best to ask why are they causing problems.
