Cyanobacteria are characterized by being ________.
A. found only in the plankton
B. having a glass-like skeleton
C. photosynthetic
D. protists
E. decomposers
Answer: C
Environmental & Atmospheric Sciences
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A. 85% B. 75% C. 90% D. 80%
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Which type of energy accounts for 31.4% of the world’s energy use, the most of any source?
a) Nuclear energy b) Coal c) Oil d) Hydropower
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What are fossil fuels, and why are they given this name?
What will be an ideal response?
Environmental & Atmospheric Sciences
What country experienced a 9.0 earthquake and associated tsunami off its coast in March 2011 yet faired relatively well from such a disaster because of their preparedness?
A. United States B. Haiti C. Peru D. New Zealand E. Japan
Environmental & Atmospheric Sciences