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peaches |
10/29/02 |
11. Which of these is a balance chemical equation.
F. 6H2+3O2=6H2O
G. 3H2+3O2=6H2O
H. 6H2+6O2=6H2O
J. 3H2+6O2=6H2O
Which of these is true of nuclear power plant?
F.they cause acid rain.
G. they use heat from Earths core.
H. they provide most of the energy used in the United States.
J. they produce wastes that must be safely stored for many years.
Which of these is likely to happen in areas where mountainsiders are defrost?
A. ore deposits will be lost.
B. soil erosion will take place.
C. sediments will flow into rivers.
D. animals habitats will be destroyed.
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