2) Which star can be used to find direction in the northern hemisphere?
A. Arcturus
B. Polaris
C. Rigel
D. Spica
3) Which observation provides the best evidence that Earth revolves around the Sun?
A. Stars seen from Earth appear to circle Polaris.
B. Earth's planetary winds are deflected by the Coriolis effect.
C. The change from high ocean tide to low ocean tide is a repeating pattern.
D. Different star constellations are seen from Earth at different times of the
year.
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Answer:
2.) B. Polaris
3.) D. Different star constellations are seen from earth at different times of the year.
Explanation: