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Explain the difference between coevolution, divergent evolution, convergent evolution.
answered
Oct 25, 2018
Biology
high-school
5
votes
165k
views
My question is 8n-(6n+7)=5
answered
Aug 17, 2018
Mathematics
high-school
4
votes
31.5k
views
How were the Japanese able to surprise the US at Pearl Harbor?
answered
Mar 4, 2018
History
college
4
votes
61.9k
views
An object travels 4/5 miles in one half hour. What is the speed
answered
Apr 6, 2017
Mathematics
middle-school
2
votes
128k
views
Harmful environmental agents cause an average of 4-5 percent of birth defects.
answered
Mar 21, 2017
Biology
high-school
4
votes
171k
views
What immediate need led to an invention in 1838 by John Deere? a way to remove cotton seeds from cotton fiber a way to break through the thick soil of the plains a desire to move goods on land more quickly
answered
Feb 3, 2017
History
high-school
4
votes
159k
views
a student takes three beakers and places 250 ml of water in each. the student then adds a cube of sugar to all three beakers. the first beaker is stirred, the second beaker is heated, and the third is
answered
Jan 31, 2017
Chemistry
high-school
3
votes
7.4k
views
Solve for M 1/3M + 5 1/4= 8
answered
Dec 29, 2016
Mathematics
middle-school
6
votes
155k
views
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