During a certain chemical reaction, energy is transferred from the reaction system to its surroundings. Which statement is true in this situation?
O A. The kinetic energy of the particles in the system and its
surroundings are the same.
O B. The particles in the reaction system have more kinetic energy.
O C. The particles differ in potential energy instead of kinetic energy.
O D. The particles in the surroundings have more kinetic energy.

Why are small quantities of chlorofluorocarbons so harmful to the ozone layer? a. the chlorofluorocarbons act like ultraviolet radiation causing large amount of ozone to be produced. b. the chlorine from the chlorofluorocarbons reacts with free molecules of oxygen causing a stop in ozone production c. free oxygen atoms can replace the chlorine in chlorine monoxide, releasing a free atom of chlorine which can then recombine with an oxygen atom in ozone, destroying more ozone. d. chlorofluorocarbons absorb ultraviolet radiation, preventing the formation of ozone select the best answer from the choices provided

In the respiration-photosynthesis cycle shown above, what are the products of cellular respiration that belong in box 2?

What is the volume of a book that has a width of 10 cm a length that is 2 times the width and a height that is half they would remember to express your answer in keeping units