Answers by Ricardo Fontana
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Answers by Ricardo Fontana

Answers by Ricardo Fontana
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While it’s impossible to design a perpetual motion machine, that is, a machine that keeps moving forever, come up with ways to keep some type of periodic motion going for a very long time. Explain the
answered Mar 5, 2019
4 votes
99.4k views
2+3x<20 just need the answer
answered Jan 13, 2019
3 votes
27.9k views
Who is Stanton referring to when she writes about “one portion of the family of man”?
answered Sep 8, 2018
5 votes
217k views
In what way did the American Revolution affect Native Americans
answered Jul 28, 2018
5 votes
177k views
Spring tides happen when _____. The Sun and moon are at right angles to Earth. The Sun, moon, and Earth are aligned. The earth is closest to the moon. The earth is farthest from the moon.
answered Mar 22, 2018
0 votes
34.7k views
How tariffs can help and hurt us in the USA?
answered Mar 12, 2018
5 votes
25.9k views
Which statement best explains why water is an important molecule for living things? ? Water molecules form covalent bonds Water molecules contain negatively charged oxygen atoms. All cell processes take
answered Dec 28, 2017
4 votes
54.6k views
A rope is 250 centimeters long. You need the rope to be 1 1/2 meters long. How many centimeters should you cut off?
answered May 28, 2017
4 votes
139k views
How are the factors of 36 related to the factors of 72
answered Oct 25, 2015
4 votes
5.9k views
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