Answer:
The ball cant roll because the rough surface blocks the movement.
The rough surface will make it eventually slow down and stop.
Keep your feet planted firmly in the stirrups and slightly extend your legs so that you are putting pressure on the stirrups like you are going to stand up.
Intravenous you just said it lol
DNA<span> is a long polymer with deoxyribose and phosphate backbone. Having four different nitrogenous bases: adenine, guanine, cytosine and thymine. </span>RNA<span> is a polymer with a ribose and phosphate backbone. Four different nitrogenous bases: adenine, guanine, cytosine, and uracil.</span><span />
C. Is the first thing, B. Is second, A. Is third, and D. Is last