PT21.S2.Q13

PrepTest 21 - Section 2 - Question 13

Astronomers have long thought that the irregularity in the orbit of the planet Neptune was adequately explained by the gravitational pull exerted on Neptune by the planet Pluto. ███ ████ ██████ ████████████ ██ ██████ ████████ ████████ ████ ████ ██████ ██ ████ ███ █████ ██ █████ ███ ██████ ██ █████████████ ████ ██ ███████ ████ ███████████ ████ ███████ ██ ████

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13.

If the statements above are █████ ████ ███████ ███ ████ ███████ ███ █████ ███ ██ ███ ██████████

a

Neptune is somewhat ██████ ████ ██████████ ████ ████████ ██ ██ ███

b

The orbit of ███████ ██ ████████████ ████ █████████ ████ ██████████ ████ ███████ ██ ████

c

There exists another, ██ ███ ████████████ ██████ ████ ██ █████ ██████ ████ ██ ██████

d

The gravitational pull ██ █████ ██ ███ ███ ████ █████ ██ ███████████ █████████ ██████

e

Further observations of █████ ████ ██████████ ████ ██ ██ ██ ████ ███████ ████ ██ ██ ███ ███████ ██ ███

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