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Use cubes. Draw to show how you make ten. find the sum.

asked Jan 17, 2017

Mathematics
middle-school

1 answer

4 votes

199k views

Which of the following observations best supports the conclusion that dolphins and sharks do not have a recent common ancestor? A. Dolphins form social groups, but sharks are solitary. B. Dolphins hunt

asked Oct 14, 2015

Biology
high-school

2 answers

3 votes

202k views

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