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 the lack of ice cover will result in the Arctic Ocean reflecting more of the
Sun's radiation. 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.
C
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What is the most plentiful primary pollutant?
A. ozone B. carbon monoxide C. sulfur compounds D. carbon dioxide E. nitrogen compounds
Which of the following are health problems that can be caused by ozone?
a. skin cancer b. reduced resistance to colds and pneumonia c. nervous system disorders d. Mutations e. stomach cancer
Nor'easters are middle-latitude storms. In which of the following regions are they commonly found?
A. along the Pacific coast of North America B. along the Atlantic coast of Europe C. along the Atlantic coast of North America D. along the Gulf coast of North America
To create a sea breeze,
A) the cool air over the land sinks, creating low pressure. Warm air over water rises, creating high pressure. This creates an onshore breeze. B) the cool air over the land rises, creating low pressure. Warm air over water sinks, creating high pressure. This creates an onshore breeze. C) the warm air over the land rises, creating low pressure. Cool air over water sinks, creating high pressure. This creates an onshore breeze. D) the warm air over the land sinks, creating high pressure. Warm air over water rises, creating low pressure. This creates an onshore breeze.