Which of the below correctly describes the ice in a mountain glacier?
A) never stops moving downhill
B) moves downhill only during times of high temperature
C) moves downhill when snow accumulation exceeds ablation
D) On the average, it moves downhill once every hundred years.
E) never stops moving uphill
Answer: A) never stops moving downhill
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Most indigenous groups in the Pacific Northwest relied on what as their primary source of food?
A) Agriculture B) Hunting C) Fishing and marine resources D) Gathering seeds, fruits, and berries.
Discuss the evolution of the hominids from the anthropoids What will be an ideal response?
Paleontologists have examined the fossil record to determine that 99.9% of all species that ever existed are now extinct.
Answer the following statement true (T) or false (F)
Earth's lithosphere is divided into seven major plates and numerous smaller ones.
a. true b. false