Answer
A. It changes the rate, R
Explanation
When we change the concentration of the reactants in a chemical reaction, it affects the rate of reaction that happens in the process. Typically, the rate of reaction will decrease with time if the concentration of the reactants decreases because the reactants will be converted to products. Similarly, the rate of reaction will increase when the concentration of reactants are increased.
Answer:
it would be the second one thank me later
Explanation:
Answer:
A. have subjects wear the shoes in an experimental trial to see if symptoms improve.
A metalloid is a metal and a nonmetal