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The processing of color begins with the activation of ________, followed by the activation of ________.
answered
Apr 17, 2018
Biology
high-school
1
vote
85.0k
views
Solve 2x2 – 5x 1 = 3 for x.
answered
Oct 20, 2017
Mathematics
high-school
4
votes
219k
views
Julia spent $50 on a book. The cost of the book was $20 less than twice what she spent on a backpack. How much did the backpack cost?
answered
Mar 18, 2016
Biology
high-school
3
votes
221k
views
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