Continental shields are ____
a. coastal mountain ranges
b. large, inland basins
c. lines of volcanic islands that parallel a continent's coast
d. areas of crust added to a continent by accretion
e. areas of exposed, ancient crystalline rocks
e
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The slopes of most cinder cones are usually about 30 degrees because ________
A) they are composites of loose material and lava and the viscosity of the lava requires the slopes to form at about 30 degrees B) cinder cones are mostly basalt and basalt is too weak to maintain a slope greater than 30 degrees C) the loose materials ejected from the cone form slopes at the angle of repose D) The statement is false; most cinder cones have slopes less than 10 degrees because of the low viscosity of basalt lava flows.
Plankton are small animals and plants that float passively in the marine environment. Indicate whether the statement is true or false
What is hypothesized to drive the Wilson cycle of plate fragmentation and reassembly?
What will be an ideal response?
Isothermal water is stable and does not overturn.
Answer the following statement true (T) or false (F)