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Without the greenhouse effect, Earth would be _______. a. too cold to support our current ecosystem b. too warm to support our current ecosystem c. too wet to support our current ecosystem d. barren of
asked
Oct 22, 2017
Geography
high-school
2
answers
1
vote
226k
views
What is 75 percent of 200
asked
Oct 3, 2017
Mathematics
high-school
2
answers
1
vote
117k
views
What is the completely factored form of x4 + 8x2 – 9?
asked
Apr 19, 2017
Mathematics
high-school
2
answers
1
vote
154k
views
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