Coal, natural gas, and oil are not considered renewable sources of biomass energy because they
A) were produced by photosynthesis.
B) release carbon dioxide when burned.
C) contribute to ozone destruction.
D) were formed millions of years ago.
D
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Describe the flow of water from the ground into the water table and to a stream, lake or swamp. What will be an ideal response?
Which of the following is a pollutant at the regional scale?
A) carbon dioxide B) carbon monoxide C) sulfur oxides D) particulates E) chlorofluorocarbons
People living in the northern parts of Sub-Saharan Africa are most likely to speak a language from the Afro-asiatic family
a. True b. False Indicate whether the statement is true or false
Which location experiences 24 hours of darkness at the winter solstice?
A. Arctic Circle B. Antarctic Circle C. Tropic of Cancer D. Tropic of Capricorn E. equator