Is glacial drift, and how does it differ from glacial till? What will be an ideal response?
Glacial drift includes all sediment deposits resulting from glacial activity. It consists of two types. Till
includes all sediments deposited by glacial ice, and stratified drift is layered and probably accumulated
in braided stream channels. Glacial drift contains glacial erratic, which are large rocks that were
transported from a distant source and dumped by a glacier.
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A) Lava flow
B) Lava dome
C) Lava fountain
D) Pyroclastic flow
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What will be an ideal response?
A surprising new finding in the battle against AIDS reveals that HIV transmission in heterosexual relationships is reduced if
A) the woman is taking birth control pills. B) a woman has already had two children. C) the male has had sex with a prostitute. D) the male is circumcised.
Volcanoes only form above hot spots.
Answer the following statement true (T) or false (F)