Answers by Piotr Wach
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Answers by Piotr Wach

Answers by Piotr Wach
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Who harbored Anne Frank and her family during the Holocaust?
answered Dec 7, 2017
1 vote
16.6k views
If a catalyst is used in a reaction, A. the energy of activation increases. B. different reaction products are obtained. C. the reaction rate increases. D. the reaction rate does not change.
answered Oct 12, 2017
1 vote
43.6k views
Which of the following is NOT a physical change that girls go through during adolescence? A. body growth B. periods begin C. sweat production D. rapid brain development
answered Oct 5, 2017
6 votes
108k views
Can anyone help with this please
answered Aug 22, 2017
3 votes
181k views
That's the way multiplying or dividing two related quantities by the same number is called
answered Mar 30, 2017
4 votes
69.1k views
Please Help? Which of the following was NOT a reason for the British to colonize North America? a. Colonization would allow some to escape criminal prosecution. b. Native Americans could serve as an additional
answered Feb 17, 2016
4 votes
85.7k views
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