Newton's First law of motion: An object at rest stays at rest and an object in motion stays in motion unless acted upon by an unbalanced force.
This is also known as the law of inertia
Anyways, you feel tossed around because unbalanced forces are acting upon you while riding on a roller coaster. Hope this helps!
The enzyme will speed up the rate of the reaction, and there are only specific enzymes to specific substrates
Cellular reproduction in a plant is asexual, the cell makes a copy of itself. I think the process is called Mitosis.
The answer is B. Water/H2O