Judge the following sentence according to the criteria given below: The melting of Arctic sea ice by rising temperatures is an example of a positive-feedback loop BECAUSE particulate air pollution has a shading effect
A) The assertion and the reason are both correct, and the reason is valid.
B) The assertion and the reason are both correct, but the reason is invalid.
C) The assertion is correct, but the reason is incorrect.
D) The assertion is incorrect, but the reason is correct.
E) Both the assertion and the reason are incorrect.
B
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The power expended when a barbell is raised 2.0 m in 2 s is
A) 1 W. B) 4 W. C) 8 W. D) dependent on the mass of the barbell.
Due to overpopulation, when a Soviet woman had fewer than two children, she was presented with a new car and a medal and declared a "heroine of the Soviet Union."
Indicate whether the statement is true or false
Data initialization usually causes major errors in weather forecast models
Indicate whether the statement is true or false
Sea surface temperatures increased at an average annual rate of 0.07 C° (0.13 F°) from 1901 to 2012
Indicate whether the statement is true or false