Why is a depletion of the ozone layer harmful? (2 points)
Group of answer choices
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Physics, 06.05.2020 05:57 GhostElite6383
Why is a depletion of the ozone layer harmful? (2 points)
Group of answer choices
It increases chlorofluorocarbons (CFCs).
It allows increased amounts of UV radiation to reach Earth's surface.
It increases crop yields.
It contaminates ground water.
Answers: 1
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Aa a of 22 m/s at an of 36.9 .be . a. b. c. (3)x y of? (3)go? (4) () it to to ?
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Ben (55kg) is standing on very slippery ice when junior (25kg) bumps into him. junior was moving at a speed of 8 m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision. give the answer in m/s. describe the work you did to get the answer.
Answers: 1
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8.29 two streams containing pyridine and acetic acid at 25°c are mixed and fed into a heat exchanger. due to the heat-of-mixing effect, it is desired to reduce the temperature after mixing to 25°c using a stream of chilled ethylene glycol as indicated in the diagram. calculate the mass flow rate of ethylene glycol needed. the heat capacity of ethylene glycol at these conditions is approximately 2.8 kj/(kg k), and the enthalpy change of mixing (δmixh) is given below.
Answers: 3
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