Answer:
The different elevations of a cloud and the ground
Covalent bond? Carbon is usually the structure for a polymer Bc it can make up so many things including covalent bonds used to make polymers
The answer to question 1 is A.
The answer to question 2 is C.
Hmm i think it might be a <span>covalent </span>bond
I hope you have a wonderful day! And hope this helps! :D