A fine-grained, greasy metamorphic rock composed of serpentine is classified as a(n)
A) greenstone.
B) amphibolite.
C) marble.
D) serpentinite.
Answer: D
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Several years ago, air quality monitors in California started showing high levels of black carbon, mercury, and particulates. Eventually, they figured out that a large amount of these pollutants were not being emitted in California. Where did they come from?
A. Asia B. Mexico C. Hawaii D. Arizona
Discuss the prospects of Iran becoming a greater political force in Southwest Asia and North Africa geopolitics
What will be an ideal response?
In addition to the ester, what else is produced during Fischer esterification?
A) H2 B) H2O C) H2O2 D) O2
The asthenosphere lies entirely within
A. the lithosphere. B. the upper mantle. C. the ocean ridges. D. the lower mantle.