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Answers by FJSevilla

Answers by FJSevilla
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You hear sounds at the following decibel levels: 5 dB, 10 dB, 20 dB, and 40 dB. Which sound is 10 times higher than the lowest pressure humans can hear? 40 dB 10 dB 20 dB 5 dB
answered Jul 26, 2018
0 votes
148k views
The coefficients in a balanced chemical equation always can express the ratio of A. Moles of reactants and products B. Volume of reactants and products C. Atoms and reactants and products D. Mass of reactants
answered Jun 8, 2018
4 votes
134k views
HELP ME PLEASE IDK please tell me what to do
answered Apr 11, 2018
5 votes
215k views
PLEASE HELP! FOR 11 POINTS! ¿Cuáles artículos corresponden con las siguientes palabras? (Which definite articles correspond with the following words? Watch out for gender exceptions. Please re-write the
answered Feb 16, 2018
0 votes
58.3k views
Compare collinear points and coplanar points
answered Jun 15, 2017
3 votes
188k views
What is one advantage of using a primary source for research? A) A primary source shares a personal experience of an event. B) A primary source always explains both sides of an issue. C) A primary source
answered May 26, 2017
2 votes
139k views
What was the historical significance of Barack Obama’s election in 2008?
answered Feb 16, 2015
2 votes
131k views
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