Seawater is ____ even though dissolved CO2 forms into a carbonic acid when combined with water
A) ?neutral with a pH of 7
B) ?a strong acid
C) ?slightly acidic
D) ?slightly alkaline
D
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Which of the following represents an output strategy for combating climate change?
A. carbon capture and storage schemes B. energy efficiency laws C. fossil fuel reductions D. nonrenewable energy source initiatives E. tropical forest logging certifications
An organism's response to a particular pollutant will depend solely on its sensitivity to the quantity of that pollutant
a. True b. False
Which of Earth's major extinctions was the most extensive, eliminating 70 percent of all terrestrial organisms and up to 95 percent of marine organisms?
A) Cambrian Explosion B) Permian Extinction C) Cretaceous Extinction D) Late Devonian Extinction
If a downdraft is too ____, it may inhibit the lifting needed for tornado formation
a. cold and strong b. cold and weak c. warm and strong d. warm and weak e. humid and weak