How do continental glaciers differ from valley glaciers? What will be an ideal response?
Continental glaciers are not confined by topography like valley glaciers but cover vast areas, flowing
outward in all directions from areas of accumulation. Continental glaciers are vast and cover all but the
highest mountains. The glaciers can form a continuous ice sheet.
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All things with a temperature above absolute zero emit energy no matter how big or small
Indicate whether the statement is true or false
How are hydrogen isotopes used to infer polar temperature records?
What will be an ideal response?
Logging operations always increase landslide hazards
Indicate whether the statement is true or false
High cirriform clouds are composed almost entirely of ice crystals. In tropical regions, air temperatures low enough to freeze all liquid water usually occur only above 6000 m (about 20,000 ft). In polar regions, however, these same temperatures may be found at altitudes as low as 3000 m (about 10,000 ft). Hence, while you may observe cirrus clouds at 3600 m (about 12,000 ft) over northern
Alaska, you will not see them at that elevation above southern Florida. a. True b. False