Most of the following energy resources provide useful energy in the United States today. Which one does not?
A) direct solar
B) geothermal
C) nuclear fusion
D) biomass
E) nuclear fission
C
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Granulation is caused by convection currents just below the photosphere
a. True b. False Indicate whether the statement is true or false
A sterilizing impact is one during which
A) all life on a planet is completely destroyed B) most life on the surface of a planet is destroyed but life in the oceans or beneath the surface might survive C) a planet is fragmented into pieces D) life on a planet is rendered incapable of reproduction
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What will be an ideal response?
Identical 8.0-?C point charges are positioned on the x axis at x = ±1.0 m and released from rest simultaneously. What is the kinetic energy of either of the charges after it has moved 2.0 m?
a. 84 mJ b. 54 mJ c. 96 mJ d. 63 mJ e. 48 mJ