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Which fossil fuel is the most widely consumed in the United States? A. petroleum B. natural gas C. peat D. coal
answered
Oct 11, 2018
Social Studies
middle-school
4
votes
144k
views
If a spring constant is 60 N/m and an object hanging from it stretches it to 0.50 m, what is the mass of that object?
answered
Jul 22, 2018
Physics
college
2
votes
232k
views
A replacement or modification to a base in a molecule is called a __________________ A mutation. B allele. C translation. D transcription.
answered
Mar 15, 2018
Biology
middle-school
4
votes
180k
views
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