Chemistry, 27.03.2020 22:57 krystalhurst97
The environment can be changed in many ways, both by humans and nature. Some of these changes are good, while some are not. Sort the activities below according to whether they will have a positive or negative impact.
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Earthquake activity causing damage in a major city.
Planting native bushes to help control erosion.
Producing and emitting smog from a smokestack.
Volcanic eruption resulting in the formation of an island.
Positive impact Negative impact
Answers: 3
Chemistry, 21.06.2019 22:30
Ibeg i need 20. a reaction produces 4.93 l of oxygen, but was supposed to produce 1 mol of oxygen. what is the percent yield?
Answers: 1
Chemistry, 22.06.2019 03:10
Agas diffuses 1/7 times faster than hydrogen gas (h2). what is the molar mass of the gas? 100.10 g/mol 98.78 g/mol 86.68 g/mol 79.98 g/mol
Answers: 3
Chemistry, 22.06.2019 06:00
The tilt of the earth's axis of rotation is responsible for the a) ocean's tides. b) size of the moon. c) brightness of stars. d) earthās seasons.
Answers: 1
Chemistry, 23.06.2019 09:00
Describe the process that was used in this lab to create magnesium oxide, specifically identifying the type of chemical reaction. explain why the product had a higher mass than the reactant, and how this relates to conservation of matter.
Answers: 2
The environment can be changed in many ways, both by humans and nature. Some of these changes are go...
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