You are concerned with water quality. Which of the following organizations would examine water and air quality?
a. EPA
b. CDC
c. OSHA
d. FDA
Answer: a. EPA
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Approximately ________ percent of the pesticides applied with machine sprayers never reach the intended target.
A. 50 B. 90 C. 75 D. 15 E. 20
Which of the following best matches the description?Removal of water from an aquifer faster than it is replaced.
A. surface impoundment B. unconfined aquifer C. confined aquifer D. septic tank E. aquiclude F. water diversion G. in-stream uses H. groundwater mining I. aquifer J. aquitard K. nonpoint source L. water table M. artesian aquifer N. point source O. landfills
The half-life of the carbon 14 isotope is 5730 years. If there were 4 billion atoms of C-14 in a particular organism at the time it died, how many atoms of C-14 would there be in the remains of that organism 11,460 years after it died?
A. 4 billion B. 2 billion C. 1 billion D. 8 billion E. 3 billion
Which of the following best describes the pattern of landforms of the Coastal South?
A) Flat, with many wetlands, swamps, lakes, and beaches. B) Rugged, rocky coastlines and thin soils. C) Dry with miles of dunes. D) None of the above.