He explains that global winds are slowed by friction, or drag, from the earth's surface.
(global winds; drag; from the earth's surface) (He; explains; that global winds are slowed by friction, or drag, from the earth's surface) Context(He explains,List([0, 11))):(global winds; are slowed; by friction)
He explains,List([0, 11))
global winds He global winds
drag explains are slowed
from the earth's surface
that global winds are slowed by friction, or drag, from the earth's surface
by friction