A key or legend is used to understand symbols, colors, and shapes on a map
The correct answer is - east to west.
The trade winds are located between the Equator and the mid-latitudes, or rather in the tropical zone. They are found on both, the North Hemisphere and the South Hemisphere.
In the North Hemisphere, the trade winds are also called northeasterly trades. They move in a roughly east to west direction, beginning from the northern parts of the tropical zone, getting southwards, and then make a turn towards the west.
<span>An extended period of well below average rainfall known as a drought.
If this keep happening, a drought will eventually cause massive shortages in water supply.
Massive shortages in water supply will eventually cause in a decrease of population of various plants and animals</span>