The fact that the energy lost at the photosphere of the sun must be replaced by an internal energy source, for the sun to remain in balance, is a statement of equilibrium
a. thermalb. massc. chemicald. convectivee. hydrostatic

The horse latitudes-high-pressure zones about 30 degrees north and 30 degrees south of the equator.-warm air traveling away from the equator cools and sinks-weather tends to be clear and drythe doldrums-low-pressure near equator-air rises and spreads out toward the poles-rising moist air produces clouds and heavy rainthe westerlies-blow from the west-move from the horse latitudes toward the poles.-bring storms across much of the united statesthe tradewinds-blow from the east-move from the horse latitudes toward the equator  -strong, steady winds