Answer:
Drought is a condition, not a hypothesis. Drought is the lack of rain, or evaporation in excess of precipitation.
The CAUSE of drought is a multi-pronged hypothesis. It can be due to cyclic changes in ocean temperature (El Niño/La Niña). It can be due to rain shadow downwind of a mountain range. It can be due to fluctuations in the sun’s brightness. It can be the result of urban sprawl and resulting shifts in upwind evaporation/transpiration. It can be the result of climate bands shifting in response to changing atmospheric composition. It can be the result of agricultural practices upwind. It can be just bad luck, with a location consistently not being the whatever-percent chance of where it’s raining.
The Asian mainland and island arcs and archipelagoes to the east and southeast.
Your question seems to be a bit muddled. "Horse latitudes" are associated with the "Subtropical High Pressure" system.
You wrote the first two words of your answer already!
Zinc and petroleum would be the best aswer.
