Jupiter, Saturn, then Uranus
It was the Gold Rush. The California Gold Rush began in 1848 and drew thousands of people who were looking to make a fortune.
If an astronaut has a mass of 60 kilograms, then she weighs
-- about 588.4 newtons (132.3 pounds) on Earth, and
-- about 97.4 newtons (21.9 pounds) on the Moon.
Her mass doesn't change no matter where she is, because
mass doesn't depend on the local gravity.
In which of the following can animals not be preserved as fossils?
A. Ice
<u>B. Water
</u>
C. Amber
D. Tar
