What type of winds does w represent on the diagram? a glacial winds, which are caused by rapid convection in the air from ice melting and refreezing at the poles. b polar easterlies, which are high-pressure winds, cooled by lack of radiation, that sink and spread away from the poles. c doldrums, which are areas of slow, or absent, prevailing winds caused by the cold, high-pressure air around the poles. d hadley cells, which are caused by energy from the sun reflecting off arctic ice, moving cool air in circles around the poles.