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A human activity that could significantly decrease the amount of carbon dioxide in the air is (1) increasing the use of fossil fuel (2) controlling insect pests that eat stored grain (3) burning garbage
asked
Nov 26, 2016
Biology
high-school
1
answer
5
votes
212k
views
Decrease 5 1/4 m by 50 cm. Answer has to be m.
asked
Jan 14, 2016
Mathematics
middle-school
2
answers
2
votes
192k
views
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