Which of the following deep-water fish was originally called the toothfish and is now on the Seafood Watch List of fish to avoid purchasing?
A) Alaskan Salmon
B) Australian Slimehead
C) Chilean Seabass
D) Greenland Halibut
E) Orange Roughy
C
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Describe the three main types of regions, providing examples of each type
What will be an ideal response?
Why is the geologic history of a volcano important in hazard prediction?
A) The geologic history helps to determine whether evacuation is necessary. B) The geologic history reflects the history of subduction beneath a volcano. C) The geologic history is an important indicator of seismic activity. D) The geologic history reveals the frequency and style of eruptions.
Which of the following is a correct example of global warming creating a positive feedback?
A. Warming air melts permafrost releasing methane, a natural absorber of potent greenhouse gases. B. Warming oceans release less water vapor, a potent greenhouse gas which absorbs longwave radiation, further increasing temperature. C. Less water evaporating will create more high level clouds causing the surface to warm. D. Warming oceans release more water vapor, a potent greenhouse gas which absorbs longwave radiation, further increasing temperature.
During which phase of the Moon do you expect to observe a lunar eclipse?
A. full moon B. new moon C. third quarter D. first quarter E. Lunar eclipses can occur at any phase of the Moon.