Glacial abrasion leaves _______________—linear scratches, grooves, and gouges—where sharp-edged rocks scrape across bedrock
Fill in the blank(s) with correct word
striations
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The atomic number of an atom is determined by the number of ____________________ in its nucleus. Fill in the blank(s) with the appropriate word(s)
At this point in time, global mean temperatures begin to increase substantially and quite rapidly.
A. industrial revolution B. at the close of the glacial maximum C. bronze age D. the invention of the internal combustible engine
Explosive volcanoes can be so unpredictable that even volcanologists monitoring and studying them can be killed by unexpected eruptions.
Answer the following statement true (T) or false (F)
What happens as ice melts in polar regions?
a. More heat is reflected into space. b. Glaciers re-freeze at night. c. Exposed surfaces absorb heat and make melting worse. d. Polar bears learn to like the sun.