A recent study has revealed that chlorinated solvents, gasoline, and radioactive compounds have become significant pollutants in ________ from ________
A) deep ocean currents; discharges from dams into coastal waters
B) coral reefs; discharge from nuclear power plants
C) mangrove swamps; oil tanker spills
D) groundwater; leaking storage tanks
E) estuaries; fishing boats
Answer: D
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About one third of all endangered and threatened bird species in the United States live in
A. Alabama B. Louisiana C. Alaska D. Hawaii E. Florida
The development of larger and darker varieties of house sparrows among northern populations of
the species is an example of a. microevolution. b. macroevolution
A stratus cloud that produces precipitation is known as
A) stratocumulus. B) altostratus. C) nimbostratus. D) cirrostratus.
Isotopes of the same element have different numbers of neutrons.
Answer the following statement true (T) or false (F)