The vertical zones of the open sea (euphotic, bathyal, and abyssal) are differentiated primarily by the penetration of ____________________.
Fill in the blank(s) with the appropriate word(s).
sunlight
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Which three colors comprise the image on a TV screen?
A. Magenta, cyan, and yellow. B. Red, blue, and yellow. C. Yellow, blue, and green. D. Red, blue, and green.
Basal sliding is only possible in:
a. cold-based glaciers b. wet-based glaciers c. warm-based glaciers d. stagnant glaciers
The plate-tectonic process responsible for volcanoes in the Pacific Northwest region of North America is identical to the cause of the region's great earthquakes-subduction of the Juan de Fuca Plate.
Answer the following statement true (T) or false (F)
The desert conditions of the Basin and Range province in the western U.S. are created primarily by ________.
A. being a great distance from the ocean B. cold ocean currents C. the rain show effect D. descending dry air