Determine which soil layer best fits the following description.This layer consists mainly of organic debris and other dead plant and animal matter.
A. A horizon
B. B horizon
C. C horizon
D. O horizon
E. E horizon
Answer: D
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Most of the oil that pollutes the ocean comes from ____.
A. blowouts (rupture of a borehole of an oil rig in the ocean) B. tanker accidents C. environmental terrorism D. urban and industrial runoff from land E. normal operation of offshore wells
Global climate change contributes to each of the following EXCEPT:
a. More severe storms b. Rising sea levels c. Peak petroleum production d. Species extinctions e. Ocean acidification
Which of the following best matches the description?Listing of hazardous-waste dump sites requiring urgent attention.
A. Superfund B. National Priority List C. toxicity D. threshold levels E. CERCLA F. hazardous wastes G. reactivity H. corrosiveness I. acute toxicity J. LD50 K. waste minimization L. RCRA M. synergism N. chronic toxicity O. ignitability
The primary petroleum deposits in Australia occur:
A) in the interior near Alice Springs B) in Sydney harbor C) off the northwest coast D) on the island of Tasmania