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Physical Science, 5/e
Bill Tillery, Arizona State University
The Solar System

True or False



1

According to Kepler, a planets travels at a constant speed in its elliptical orbit around the sun.
A)TRUE
B)FALSE
2

The elements heavier than iron in the earth were formed by the supernova explosions of other stars.
A)TRUE
B)FALSE
3

Venus, the sister planet to the Earth, has an atmosphere whose composition is similar to that of Earth.
A)TRUE
B)FALSE
4

The channels observed on Mars are evidence that liquid water once flowed on its surface.
A)TRUE
B)FALSE
5

The density of the planet Saturn is so low that it would float in water.
A)TRUE
B)FALSE
6

A comet's tail trails behind it throughout its journey through the solar system.
A)TRUE
B)FALSE








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