Alligators in polluted lakes in Florida have been shown to have a higher prevalence of ________ than alligators in uncontaminated lakes.
A. mercury poisoning
B. reproductive abnormalities
C. lead poisoning and poaching
D. lung cancer
E. suicide
Answer: B. reproductive abnormalities
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There are two high tides and two low tides in each 25-hour period because
A) Earth orbits around the Sun in a little over 24 hours. B) the Moon orbits Earth in 25 hours. C) Earth completes a full rotation every 24 hours but the Moon moves too. D) heating and cooling of the seas occurs twice each day.
The most recent analyses of polar ice cores have given us the ability to profile global climate change back as far as ________ years
A) 800,000 B) 50,000 C) 1000 D) 100,000 E) 300,000,000
Cyclone
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The following questions refer to the above illustration of a middle-latitude cyclone. The dashed lines show the positions of the fronts six hours ago.
At which location represented by the four positions on the map would you expect to hear the following 12-hour forecast: "Clearing and colder today with continued rising pressure"?
A. position 1 B. position 2 C. position 3 D. position 4
What determines the availability of energy in a tropical cyclone?
A) Evaporation rates B) The storm needs to stay over warm waters C) Condensation D) Latent heat of vaporization