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Answers by Brezentrager

Answers by Brezentrager
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For life to flourish on Earth, several changes occurred that affected the atmosphere, such as _____. 1. evolution of cyanobacteria that produce O2. 2. volcanic outgassing to create a thicker atmosphere.
answered Jan 5, 2018
3 votes
62.6k views
Atomic number=4 how many protons?
answered Nov 8, 2017
0 votes
13.5k views
_____ is one color shade gradually progressing to another shade of the same color or to another color.
answered Apr 11, 2017
2 votes
234k views
niña has half a pound of grapes. she wants to divide this amount among 4 friends. How many pounds of grapes does each friend get?
answered Apr 1, 2017
4 votes
26.4k views
Which of the following wave properties would be the best way to measure the height of a wave? A) amplitude B) frequency C)equilibrium D)trough
answered Feb 27, 2017
5 votes
171k views
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