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How do enzymes speed up chemical reactions? They raise the activation energies of reactions. They lower the activation energies of reactions. They react with products to form new compounds. They react
answered
Jan 18, 2018
Biology
high-school
6
votes
199k
views
What was the effect of the use of literacy tests throughout the south after the u.s. civil war?
answered
Jan 10, 2017
History
high-school
1
vote
196k
views
What did the mixing of North Africa occur?
answered
Jul 10, 2016
History
high-school
1
vote
140k
views
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