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Water's high heat capacity means it heats up and cools down slowly. About how many times greater is water's specific heat capacity compared to that of sand?
AAbout 2 times
BAbout 10 times
CAbout 5 times
DAbout 20 times
Answer & Solution
Correct answer: C. About 5 times
1. This comparison explains why coastal regions have milder climates than sandy desert interiors.
2. The text states: "the specific heat capacity of water is about five times more than that of sand."
3. This large difference means a given amount of solar energy raises sand's temperature much more than it raises water's temperature.
4. So water's specific heat capacity is about five times that of sand, not two, ten, or twenty times.
_Source: OpenStax Biology Ch 2 "The Chemical Foundation of Life", p.47 §2.2 | Water_
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