If palynology discovers a shift from spruce to oak to grasses,what can be inferred?
A) a gradual cooling and moistening
B) a rapid cooling and drying
C) a gradual warming and drying
D) a rapid warming and moistening

Question

Quizplus · Accepted Answer

The shift from spruce (which thrives in cooler, moist environments) to oak (which can tolerate a warmer, somewhat drier environment) to grasses (which often dominate in even warmer and drier conditions) suggests a gradual warming and drying of the climate.

If Palynology Discovers a Shift from Spruce to Oak to Grasses,what