the boundary between the atmospheric layers troposphere and stratosphere where the drop in temperature with increasing altitude ceases (A2)

a mountain environment above the treeline within tropical latitudes (A2)

an atmospheric phenomenon caused by the interaction between the Hadley Cell phenomenon and the trade winds which creates a level at which the air on top is warmer than the air beneath (A2)

a wind blowing almost constantly in one direction; in Hawai’i, the trade winds blow from the northeast toward the equator (A2)

the constant rate at which rising air cools (A2)

a global air circulation pattern involving rising, flowing, and subsiding air currents (A2)

the deflection of winds by the spinning of the earth (A2)