In a typical power plant used to generate electricity in the U.S., the percentage of energy in the fuel that is converted to electricity is about: w) 99 percent x) 50 percent y) 35 percent z) 10 percent Answer : ANSWER: Y -- 35 PERCENT ...
What is the name of the spacecraft that recently used Jupiter's gravitational field to redirect its course toward the Sun's polar regions? w) Magellan x) Ulysses y) Galileo z) Challenger Answer : ANSWER: X -- ULYSSES...
Which one of the following planets has less mass than the Earth? w) Jupiter x) Saturn y) Uranus z) Pluto Answer : ANSWER: Z -- PLUTO...
A white dwarf has a mass of roughly one solar mass but a size of about: w) a basketball x) a car y) Lake Michigan z) the Earth. Answer : ANSWER: Z -- THE EARTH...
What percentage of the atmosphere consists of carbon dioxide? Is it approximately: a) .03% (read: three-hundredths of a percent) b) 1% c) 5% d) 7% Answer : ANSWER: A -- .03%...
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