The Exxon Valdez oil spill provided a demonstration of the efficiency of "skimmer" ships, which successfully collected most of the spilled oil.
Answer the following statement true (T) or false (F)
False
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Volcanic ash ____
a. ?is so small that it does no damage if inhaled b. ?is carried so high into the atmosphere that it does not have much effect on the area near an eruption c. ?has a large effect near an eruption, but little effect further away d. ?is composed of aerosols formed from the reaction of gasses and water vapor e. ?is a major disruption to transportation and evacuation
The region of the earth's atmosphere below 80 km is called:
A) the stratosphere. B) upper hemisphere. C) the alpha quadrant. D) the homosphere.
In which of the following locations can the aurora be seen?
A. in the northern and southern hemispheres near the equator B. in the northern and southern hemispheres at high latitudes C. in the northern hemisphere and southern hemispheres in the polar regions D. in the northern hemisphere and southern hemispheres at low latitudes
The cloud form that is best described as sheets or layers that cover much or all of the sky is termed:
A) cumulus. B) stratus. C) cirrus. D) alto. E) mackerel sky.