Multiple Choice
Which statement about the Gulf of Mexico's "Dead Zone" is false?
A) The dead zone dissipates in fall with the arrival of storms and cooler weather.
B) The Gulf of Mexico is stratified,with warmer,oxygen-rich water on top and cooler,low-oxygen water on bottom.
C) Most oxygen in the bottom layer is consumed by bacteria decomposing algae.
D) Engineering and wetland degradation contribute to dead zone formation.
E) Negative effects from the dead zone are short-term and confined to the immediate area.
Correct Answer:

Verified
Correct Answer:
Verified
Q75: In parts of the U.S.thousands of new
Q76: What percentage of the people using coastal
Q77: Drinking water for about _ of the
Q78: The Great Lakes are sensitive to pollution
Q79: Natural and anthropogenic sources of _ contaminated
Q81: Red,brown,and green toxic tides can release waterborne
Q82: The Clean Water Act could be strengthened
Q83: According to a 2007 government study,tens of
Q84: Placing contaminated water in a clear plastic
Q85: Contaminated groundwater cannot cleanse itself.Why?<br>A) Groundwater does