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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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Alamojay Alamojay
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9 years ago
Solar space heating units tend to be less expensive than solar water heating units because
A) solar heating units can be passive and water heating units must be active.
B) it takes longer to heat up air than water.
C) because of its low density, it is usually cheaper to move air than water.
D) solar space heating units can only be used near the equator.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 12th
Authors:
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Super Cuban Dude
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JesuisMelJesuisMel
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4 years ago
thank you
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