Radon is an indoor air pollutant that has been linked to ________
A) liver failure
B) liver cancer
C) kidney failure
D) skin cancer
E) lung cancer
E
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Which word best describes volcanic rock?
A) cemented B) transparent C) intergrown D) fragmented
The primary reason why planet Earth radiates much less energy than the Sun is because of its much smaller size
Indicate whether the statement is true or false
On rare occasions when the environmental lapse rate exceeds about ____ (the autoconvective lapse rate), convection becomes spontaneous, resulting in the automatic overturning of the air
a. ?3.4 degrees Celsius per 10 m b. ?3.4 degrees Celsius per 1,000 m c. ?34 degrees Celsius per 100 m d. ?34 degrees Celsius per 10,000 m e. ?3.4 degrees Celsius per 100 m
Which of the following is true of eutrophication in marine ecosystems?
A) Eutrophication aids the ecosystems by providing needed limiting nutrients, such as phosphorus. B) Eutrophication can kill fish. C) Eutrophication can aid corals by killing parasites. D) Eutrophication is rare and occurs only in bad weather.