Which one of the following scenarios is most likely to result in a body of water becoming hypoxic?
A) The overharvesting of oysters that would have filtered nutrients from ocean water
B) The overfishing of sharks
C) The extraction of phytoplankton from the ocean to use as an ingredient in smoothies and health food drinks
D) An oil tanker running aground and seeping thousands of gallons of oil into the ocean
A
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Which of the following is NOT normally considered a biomass fuel?
A. Waste wood chips B. Wood C. Branches D. Bark E. All of these are biomass fuels.
The principle of superposition can be used to determine the relative ages of sedimentary rocks. Indicate whether the statement is true or false
The ______ ______ in the earth's stratosphere is seasonally centered over Antarctica, and scientists keep constant watch as it dwindles, thanks to the Montreal Protocol
Fill in the blank(s) with correct word
Most large earthquakes occur along which of the following?
A) Faults on land B) Mid-ocean ridges C) Ocean trenches D) Other faults in the sea floor