Respiration is a chemical reaction used to make food
break down food
bum energy
gan electrons

C. is the answer ur welcome

Answer/// absolute and unchanging laws;

In financial aspects, a depression is a sustained, long haul downturn in monetary movement in one or more economies. it is a more extreme monetary downturn than a recession, which is a slowdown in financial action through the span of a typical business cycle. a depression is an irregular and extreme type of recession. so depression is always followed by recession but it is not correct to state that a depression always follow a recession.

S^2 = a4^2 = a4 * 4 = a16 centimeters = area of the square