Can somebody who knows about 10th grade chemistry out ? .

the potential energy of the reactants is 200j.

from the energy diagram, the energy of the product formed is 350j; this means that, this reaction is an endothermic reaction, because it absorbs energy from its environment.

smooth muscle is composed of involuntary muscles found within the walls of organs and structures such as the esophagus, stomach, intestines, and blood vessels. those muscles push materials like food or blood through organs. unlike skeletal muscle, smooth muscle can never be under your control.

i think it's c. if you look search electronic symbol on google and then click on wiki it shows you a

answer; capital earns interest; entrepreneurship receives a profit or incurs a loss;