Which of the following best describes the Pleistocene?
a. warm, humid period of swamps and forests when dinosaurs roamed Earth
b. most recent climate interval characterized by warm, stable conditions
c. four major glacial cycles slowly followed by shorter, warmer interglacials
d. complex record of climate changes characterized by cycles of rapid advance and retreat of glaciers
D
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Explain how ozone (O3 ) can play both a beneficial and a detrimental role in the earth's atmosphere
Where are the deepest parts of the oceans?
A) in rift valleys at sea floor spreading center B) along the base of the continental slope C) in the abyssal plain D) in trenches
The upper part of the ________ has the approximate composition of peridotite
Fill in the blank(s) with correct word
Neritic sediments are found on the ____
A) deep-ocean floor, mostly in the Atlantic Ocean B) continental shelf C) continental rise D) abyssal plains