Batteries able to withstand only 200 recharge-discharge cycles are unsuitable for commercial use
What will be an ideal response?
Anyone who owns a laptop would agree with this statement. This is too few
cycles to be commercially successful in all but automobile batteries. As the book suggests,
3000 cycles is much more attractive.
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Voyager 1 was unable to image Titan's surface because
A) of "smog" in Titan's atmosphere. B) volcanic activity spewed sulfur clouds, obscuring the surface. C) of Titan's high reflectivity. D) the cameras were damaged by Saturn's magnetic field. E) the moon was in shadow during the mission.
Arrange the strong (S), electromagnetic (EM), weak (W), and gravitational (G) forces from weakest to strongest.
A. W, G, EM, S B. W, G, S, EM C. G, W, S, EM D. G, W, EM, S E. W, S, G, EM
Fossils typically contain little or no organic matter because
A) the organic matter has been destroyed when the rock containing the fossil was melted deep within the Earth's crust B) over time inorganic minerals have gradually replaced the organic matter C) the organic matter has radioactively decayed into inorganic matter D) ancient organisms contained little organic matter
Twenty kilometers is
a. 200,000 m. b. 20,000 m. c. 2,000 m. d. 200 m. e. 0.02 m.