4. Which best explains why runoff is important? A. It returns water to other locations on Earth
B. It increases the chance of flooding
C. It makes evaporation occur faster
D. It increases condensation

So  if  the sum of the enthalpies of the reactants is greater than the products, the  reaction  will be  exothermic.  if  the products side has a larger enthalpy, the  reaction  is  endothermic. you may wonder why  endothermic reactions, which soak up energy or enthalpy from the environment, even happen

Answerhurricanes;