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In an inconvenient truth green roofs are beneficial in global warming because A. They are beautiful B. They have solar panels, which collect energy C. They emit water vapor, which cools the atmosphere
asked
Nov 26, 2017
English
high-school
1
answer
3
votes
203k
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How long can primary succession take to be completed? A. ten to hundreds of years B. hundreds to ten thousands of years C. thousands to millions of years D. hundreds to thousands of years
asked
Jan 25, 2016
Biology
high-school
1
answer
3
votes
170k
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