Radiocarbon dating is useful in dating event that occurred within the past________
a) 4 thousand years
b) 40 thousand years
c) 400 thousand years
d) 4 million years
e) 40 million years
Answer: b) 40 thousand years
Environmental & Atmospheric Sciences
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By gliding, an animal can
A) gain forward thrust. B) better control its fall. C) reduce its inertia. D) fly at reduced speed.
Environmental & Atmospheric Sciences
The rock assemblage of sandstone, carbonate, and shale represents deposition on a(n)
____________________ continental margin. Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
A cloud with an anvil-shaped top is most often associated with ____
A) cumulonimbus B) cumulus congestus C) altocumulus D) cumulus humilis
Environmental & Atmospheric Sciences
Which of the following lavas make up 90 percent of the total volume of lava on Earth?
A) Basaltic B) Andesitic C) Rhyolitic
Environmental & Atmospheric Sciences