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lanck, Einstein, Heisenberg, and Schrodinger described the Quantum Mechanical Models that helps predict the location of the _________. A) electrons B) neutrons C) protons D) quarks
answered
Jan 17, 2018
Chemistry
high-school
5
votes
10.4k
views
Ms.groves has trays of paint for students in her art class.eachieve tray had 5 colors. One of the colors is purple. What fraction of the colors in 20 trays is purple
answered
Dec 15, 2017
Mathematics
middle-school
3
votes
94.6k
views
Using the defects method, which of these relationships represents the Law of Cosines if the measure of the included angle between the sides a and b of ∆ABC is more than 90°? a.area of square c2 = -area
answered
Oct 18, 2017
Biology
high-school
4
votes
41.9k
views
What multiples to -48 and adds to 2
answered
Jan 16, 2017
Mathematics
high-school
4
votes
233k
views
Nicolaus Copernicus challenged established authority when he A. used astrology to promote the science of astronomy B. proposed that the earth revolves around the sun C. used alchemy to find the philosopher's
answered
Jun 16, 2016
History
high-school
7
votes
24.3k
views
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