Which of these statements is true about heating up air in the lower atmosphere?
a. it occurs mainly through radiant energy.
b. it occurs through convection from earth.
c. it happens to a different extent over land and water.
d. it takes place through conduction between the sun and air.

the correct answer wouuld be that it takes place through conduction between the sun and air

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."