Where was North America 150 million years ago?
A. over the south pole
B. next to Antarctica
C. next to Australia
D. closer to Africa and South America
E. None of these choices are correct.
Answer: D
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National parks can be viewed as habitat islands surrounded by
a. Logging b. industrial activity and mining c. mining and logging d. mining, logging and agriculture e. mining, logging, agriculture and industrial activity
Observe these two maps of specific humidity, the top from July 2012, the bottom from May 2012. Which condition could account for the observed changes?
A) July strengthening of the Bermuda-Azores high advecting moisture to the High Plains from the Gulf of Mexico
B) May strengthening of the Bermuda-Azores high advecting moisture to the High Plains from the Gulf of Mexico
C) July strengthening of the Hawaiian high advecting moisture in a zonal pattern to the High Plains from the Pacific
D) May strengthening of the Hawaiian high advecting moisture in a zonal pattern to the High Plains from the Pacific
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Pure water has four colligative properties associated with it
a. True b. False
Instructions: Choose one answer from each pair of selections. During El Niño events, surface waters are COLDER | WARMER in the tropical eastern Pacific