Earth's magnetic poles appear to ________.
A. switch positions every 100 years
B. quickly move over large distances yearly
C. never move
D. slowly move around the geographic poles over decades
Answer: D
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This is used as a guide to planting and determining the approximate date for harvesting crops:
A. growing degree-days B. heating degree-days C. cooling degree-days D. harvest degree-index
Gasoline can be separated from oil through the process of ____.
A. refining B. fracking C. gasification D. oil proving E. liquefaction
How does the length of twilight vary from summer to winter?
What will be an ideal response?
Dry summers and winter precipitation maxima characterize this small biome is located in 5 disparate locations, typically on the west coast of continents between 30° and 40° latitude
A) Mediterranean shrubland
B) Midlatitude grassland
C) Midlatitude broadleaf and mixed forest
D) Tropical savanna