Which of the following is NOT a variable component of the atmosphere?
A) argon B) aerosols C) ozone D) water vapor
A
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What percentage of the Earth is covered by oceans?
A) 50% B) 17% C) 80% D) 71%
What is the color of bilirubin?
A) black B) blue C) green D) yellow
Which of the following is a hazard but not a risk, according to the textbook?
A. the Kilauea volcano, which covers subdivisions with molten lava B. a volcano in Iceland that threatens people with dangerous gases C. a cinder cone that erupts hot molten fragments on an unpopulated Pacific island D. a volcano in Iceland that caused catastrophic flooding that destroyed houses and roads E. All of these are both a hazard and a risk.
What kind of man made feature would likely lead to sand loss on a beach regardless of active margin (west coast North America) versus passive margin (east and Gulf coast of North America) setting for the coastline?
A) dam construction B) building too close to sea-cliff and allowing urban runoff to seep into the rocks along the cliff C) construction of offshore oil platforms D) constructing a highway bridge over a bay mouth