Dark-light couplets of sedimentary layers that represent yearly deposits in a glacial lake are
called __________. Fill in the blank(s) with the appropriate word(s).
varves
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Biogeographers view the landscape of an area as a ____ of interlocking parts
a. region b. matrix c. web d. mosaic
Most of the gas released by volcanic eruptions is sulfur dioxide.
Answer the following statement true (T) or false (F)
Which of the following is a mathematical statement of the combined gas law?
A) P1V2T1 = P2V1T2 B) P1V2T2 = P2V1T1 C) P1V1T2 = P2V2T1 D) P1V1T1 = P2V2T2
The present-day tilt of Earth's axis of rotation is 23.5ยบ. What would be the result of more tilt, as shown here?
A. a decrease in glaciers B. a decrease in the effects of the seasons C. high latitudes would receive less direct sunlight during the summer, causing cooler temperatures D. All of these choices are correct.