The answer is A. Applied forces are the unbalanced forces a person applies to another object to change its velocity or direction or to make it accelerate. When we pull an object towards us, we are increasing it’s velocity, so it’s an applied force.
I don't know what it is, but the answer is c, I wanted to help you out so I googled it
A polar molecule is a molecule in which one end of the molecule is slightly positive, while the other end is slightly negative.
The best answer is B creating<span> bonds to form a nucleic acid</span>
