What is the largest source of oil in the ocean?
a. Marine transportation
b. Runoff from city streets
c. Natural oil seeps
d. Waste oil dumped down drains
e. Concentrated oil spills (from tankers, storage facilities, drilling platforms)
c
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The energy per charge of a charged particle is measured in
A. volts. B. joules. C. newtons/coulomb. D. all of the above
When an area is experiencing several consecutive days of rather constant weather, it is experiencing:
A) occluded front weather. B) warm-front weather. C) cold-front weather. D) air-mass weather.
By EPA definition, hazardous waste can be any of these EXCEPT
a. ignitable. b. corrosive. c. toxic. d. moveable.
Which of the following is true about transport of sediment in a stream?
A) Pebbles and cobbles are mostly transported by suspension. B) Sediment that is deposited within a stream bed is unlikely to be transported again. C) Sand can be transported in a series of bounces along the stream bed. D) Slower current can carry larger clasts because the water is in contact with each clast for a longer time. E) Sand grains are converted into salt by the process of saltation.