What is true of daylight hours at locations north and south of the equator?
1 days are longer than nights north of the equator.
2 nights are longer than days south of the equator.
2 the length of days and nights change with the seasons.

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

Answer (a) the itcz comes overhead for part of the year; i believe this is correct,plz check first; ///