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Answers by Houqp

Answers by Houqp
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Copper has a density of 8.9 g cm3. if you have 90 g of copper how much volume is your occupying?
answered Jan 23, 2019
3 votes
127k views
50 ml of water is poured into a beaker. 50 ml of another liquid is poured into the same beaker. The beaker is left undisturbed for some time. After some time, it is observed that the liquid forms a clear
answered Dec 29, 2018
1 vote
104k views
Skinfold measurements are most accurate when taken
answered Nov 22, 2018
0 votes
81.9k views
In van helmont's experiment measuring a growing tree, which possible energy source for the tree's growth was he able to rule out?
answered Sep 23, 2018
3 votes
170k views
Please help thank you so much.
answered Aug 21, 2018
2 votes
165k views
Why must a science experiment have three trials
answered Jul 10, 2018
5 votes
218k views
Need help subtracting negative numbers I don't know why,but I can't seem to understand it. I understand adding positives,but subtracting positive numbers I can't do it Why is -7- 7 =-14? and not 0? I know
answered May 19, 2018
4 votes
134k views
Devon is trying to find the unit price on a 6-pack of drinks on sale for $2.99. His sister says that at that price, each drink would cost just over $2.00. Is she correct, and how do you know? If she is
answered Apr 2, 2018
3 votes
232k views
The Columbian Exchange was based on interactions between the Old World and _____. A. the Americas B. Europe C. Asia D. Africa
answered Oct 7, 2017
1 vote
196k views
Which phenomenon among ordinary people most likely helped spread the ideas of the Enlightenment? A. townspeople travelled greater distances B. more people were able to read C. migration from cities to
answered Sep 22, 2017
2 votes
12.9k views
What is hydroelectric power used for
answered Jun 12, 2017
3 votes
156k views
What is the answer to 5/7 + 1/4
answered Mar 24, 2017
7 votes
179k views
In 1998 Canada highest court declared
answered Jan 25, 2017
7 votes
14.5k views
1. Is the example a complete sentence, sentence fragment, or run-on sentence? Does not want the tickets to the water park. A. complete sentence B. sentence fragment C. run-on sentence 2. Is the example
answered Jan 21, 2017
2 votes
9.6k views
How does moon shadow fit into the demon culture
answered Jul 10, 2016
3 votes
218k views
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