The diagram shows the global wind pattern in the lower atmosphere. what is the main factor that determines the global wind pattern? a) the directions of ocean currents b) uneven landforms on earth’s surface

The correct answer is A) the direction of ocean currents.
Ocean currents ,with their movement, contribute to the movement of the lower air masses. The lower air masses are practically like a shadow of the ocean currents and follow it's movement, thus winds are created by the ocean currents. Also it is important to notice, that the winds can be warm and cold, dry and wet, this all depends on the temperature of the ocean currents, as well as where are they moving in the ocean waters.

Except common history

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