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drelog drelog
wrote...
Posts: 2711
8 years ago
The slopes of most cinder cones are usually about 30 degrees because ________.
A) cinder cones are mostly basalt and basalt is too weak to maintain a slope greater than 30 degrees
B) the loose materials ejected from the cone form slopes at the angle of repose
C) they are composites of loose material and lava and the viscosity of the lava requires the slopes to form at about 30 degrees
D) The statement is false; most cinder cones have slopes less than 10 degrees because of the low viscosity of basalt lava flows.
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
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ןnɟʎoɾ sʎɐʍן∀ Slight Smile
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PulsaPulsa
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Posts: 1845
8 years ago
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drelog Author
wrote...
8 years ago
Double checked your answer with my friend, it's right Smiling Face with Open Mouth
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
wrote...
3 years ago
thank you
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