Oceanic crust is ___________ than continental crust.
a. thinner and more dense
b. thicker and more dense
c. thicker and more dense
d. thinner and less dense
Answer: a. thinner and more dense
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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.
Mountains define most of the boundaries between all the following, except
A) Italy & Switzerland. B) France & Spain. C) US & Mexico. D) India & Nepal. E) Austria & Switzerland.
A hurricane rotates about its eye, which is a(n)
A) rainstorm. B) turbulent area of high pressure. C) calm area of low pressure. D) area of high moisture.
When two separate wave trains meet they add to or subtract from one other in an interaction called ____________. Fill in the blank(s) with the appropriate word(s)