The property many metamorphic rocks exhibit by flat or elongated mineral grains in parallel layers is called
A) schist.
B) cleavage.
C) foliation.
D) lithification.
C
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The Mercalli earthquake intensity scale uses Roman numerals from I to XII, XII being the highest intensity.
a. true b. false
In the 2014 IPCC AR5 report, climatologists have described various Representative Concentration Pathways (RPCs) that
A) focus on how nations can best form policies on climate change. B) outline various scenarios of radiative forcing, depending on strategies to reduce GHGs. C) predict the extinction of species in various parts of the world. D) try to accommodate climate change refugees as ocean levels rise.
Who discovered that planetary orbits are ellipses rather than circles?
What will be an ideal response?
In the reduction of an unsaturated aldehyde or ketone using H2 in the presence of a transition metal catalyst, which of the following statements is true?
A) Both the C=C and C=O bonds are reduced at the same rate. B) The C=C bond is reduced more rapidly than the C=O bond. C) The C=O bond is reduced more rapidly than the C=C bond. D) Unsaturated aldehydes and ketones do not undergo reduction under these conditions.