Air pollutants are ____ airborne substances
A) exclusively solid
B) exclusively gaseous
C) exclusively liquid
D) either solid, liquid, or gaseous
D
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Why do you typically find bigger rocks along the banks of a fast-moving stream and smaller rocks and pebbles beside a slower-moving stream?
A) As a stream slows, it deposits its smaller sediments first. B) As a stream slows, it deposits its larger sediments first. C) Fast-moving streams carry only large sediments. D) Slow-moving streams carry only dissolved sediments.
Subsidence inversions are just as common on Earth’s surface as they are aloft
a. True b. False
Fault-block deserts of active tectonism would most likely have:
a. external drainage and dune fields. b. alluvial fans and playas. c. internal drainage and karst. d. pediments and inselbergs. e. external drainage and badlands.
Which of the following kingdoms has only a few species living in the marine environment?
A) Animalia B) Archaebacteria C) Eubacteria D) Plantae E) Protista