Upwelling, the rising of water from deeper layers of the ocean, is a wind-induced movement that brings ________ water to the surface.
A) cold, nutrient-poor
B) warm, nutrient-poor
C) warm, nutrient-rich
D) cold, nutrient-rich
Answer: D) cold, nutrient-rich
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At the beginning of the Paleozoic, _______________ major continents were present
Fill in the blank(s) with correct word
Which of the following might correspond to the O2 pressure in a hyperbaric chamber?
A) 160 torr B) 760 torr C) 1600 torr D) none of these
The magnetic north pole is currently moving (toward /away from) the geographic North Pole, and the magnetic south pole is currently moving (toward /away from) the geographic South Pole
A) toward; toward B) toward; away from C) away from; toward D) away from; away from
Concrete is formed by adding cement and water to a mixture of sand and gravel. This could be seen as an analog for the formation of what type of sedimentary rock?
A. Biochemical B. Chemical C. Clastic