In the atmospheres of the jovian planets, this component decreases, systematically, with distance from the Sun
A) Hydrogen
B) Helium
C) Methane
D) Ammonia
E) Nitrogen
D
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As soon as a ball rolls off the edge of a table
A) it is not acted on by any forces. B) it is not acted on by any horizontal forces. C) has a zero net force acting on it. D) none of the above
A spaceship is moving past you at a speed very close to the speed of light. If you could somehow watch the people inside it over a long period of time, what would you conclude?
A) They are aging more rapidly than you. B) Their mechanical clocks go slower than yours, but the people are aging at the same rate as you. C) Their time is the same as your time. D) They are aging more slowly than you.
What happens when a planet passes in front of its star (i.e. between the star and us)?
a) The star increases in brightness and the star moves away from us b) The star increases in brightness and the star moves towards us c) The star decreases in brightness and the star moves towards us d) The star does not change in brightness or move relative to us e) The star decreases in brightness and the star moves away fromus
Your vocal cords are used to produce all the sounds you make while speaking
Indicate whether the statement is true or false