The tilt of the earth and its travel around the sun causes changes in the...
seasons.
equinoxes.
Tropic of Cancer.
Tropic of Capricorn.
The earth rotates on its...
axis.
lines of latitude.
lines of longitude.
revolution.
Earth's most important companion in space is...
the sun.
the moon.
Mercury.
the solar system.
The layer of air surrounding the earth is called...
a landform.
outer space.
the equinox.
the atmosphere.
The planets in the solar system revolve around the...
atmosphere.
asteroids.
sun.
moon.
