What happens to ice movement within a glacier when the glacier is retreating?
A)The ice flows uphill.
B)The ice flows downhill.
C)The ice flow spreads out laterally.
D)The ice no longer flows.
E)The ice flows downhill in the zone of accumulation and uphill in the zone of wastage.
Question 2
A type of mechanical weathering is ____ and a type of chemical weathering is ____.
A)frost action; pressure release
B)pressure release; salt crystal growth
C)thermal expansion and contraction; salt crystal growth
D)oxidation; activities of organisms
E)salt crystal growth; hydrolysis
