What type of mechanical weathering occurs because water increases in volume when it freezes?
a. Frost wedging
b. Polar areas
c. Polar region
d. Frost action
Answer: a. Frost wedging
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What group of islands in the South China Sea are claimed by the Chinese?
A) Hokkaido B) Senkaku/Daioyu C) Spratly Islands D) Macao E) Okinawa
Which of the following lists of Linnaean levels of classification is correctly ordered from larger to smaller?
A. kingdom, phylum, domain, genus B. phylum, class, order, species, genus C. phylum, order, class, species D. kingdom, class, family, genus
In addition to their role in depleting stratospheric ozone, ________ are also effective greenhouse gases
A) nitrous oxides B) primary pollutants C) cholorofluorocarbons D) volatile organic compounds
How can plate tectonics help explain the existence of fossil marine organisms in rocks found on top of compressional mountains?
What will be an ideal response?