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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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barry barry
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11 years ago
Ground-source heat pumps use the difference in temperature between the air and soil to warm and cool buildings. The upper 10 ft of the Earth is always at a constant temperature of ________, which is ideal for warming buildings in the winter and cooling them in summer.
A) 50-60°F
B) 70-80°F
C) 100-120°F
D) 225-360°F
E) over 360°F
Textbook 
The Environment and You

The Environment and You


Edition: 2nd
Authors:
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11 years ago
Quote from: barry (11 years ago)
A) 50-60°F
Biology - The only science where multiplication and division mean the same thing.
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barry Authorbarry
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11 years ago
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