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Answers by AmdY

Answers by AmdY
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What is the meaning of the phrase cost-effective in the first paragraph of this passage? A) working hard for the money you earn B) saving your money for a future expense C) getting the most for the money
answered Jan 30, 2018
7 votes
86.0k views
The law of superposition states which of the following? A. Younger rocks originally cover older rocks. B. Older rocks originally cover younger rocks. C. Rocks match up horizontally over long distances.
answered Jul 12, 2017
2 votes
3.6k views
At 101.3 kPa and 298 K. what is the total amount of heat released when one mole of aluminum oxide, Al2O3(s), is formed from its elements?(1) 393.5 kJ (2) 837.8 kJ (3) 1676 kJ (4) 3351 kJ
answered Apr 12, 2016
3 votes
191k views
What element has atoms that can form halide ions?
answered Sep 13, 2015
4 votes
165k views
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