Increased CO2 in the atmosphere since the Industrial Revolution has resulted in lower surface ocean pH of about ________ pH units.
A. 0.01
B. 5.0
C. 1.0
D. 0.1
Answer: D
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A fertile, silty soil deposited by the wind is known as
A) loess B) dust C) alkaline D) alluvium E) silt
Which of the following has the highest recycling rate?
a. paper b. glass bottles c. Aluminum cans d. car batteries e. yard trimmings
Why are mathematical models important to the study of climate change?
A) They have predictive capacity. B) Their mathematical character makes their conclusions and predictions completely accurate. C) They are easier to use and more reliable than geologic data. D) They make monitoring of climatic conditions obsolete.
Red, brown, and green toxic tides can release waterborne and airborne toxins that poison fish, shellfish, birds, and humans who eat seafood.
Answer the following statement true (T) or false (F)