The geologic timescale was originally developed by using radiometric dating.
a. true
b. false
b. false
Environmental & Atmospheric Sciences
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In general, marine biodiversity is greatest in
A. the Atlantic Ocean. B. the Pacific Ocean. C. the bottom region of the ocean. D. moderate ocean depths. E. the surface region of the ocean
Environmental & Atmospheric Sciences
Which of the following cloud types is found at the highest elevation above the Earth's surface?
A. cumulus congestus B. noctilucent C. cumulonimbus D. cirrocumulus
Environmental & Atmospheric Sciences
How do sedimentary rocks reveal ancient environments?
What will be an ideal response?
Environmental & Atmospheric Sciences
Although the mantle is almost solid, mantle rock is so hot that it is soft enough to flow with a speed of
a. 15 mm/yr b. 15 cm/yr c. 15 ft/yr d. 15 m/yr
Environmental & Atmospheric Sciences