The ultimate source of energy that lifts and transports the atmospheric water (vapor and cloud) to its highest elevations is solar energy. It is the sun that gives enough energy to water for its evaporation.
Weather. This includes factors like temperature, humidity, wind speed, etc.
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.
D the Stratosphere
hope that helps
