Question 26
What causes the phases of the moon?
A. Earth's rotation
B. Earth's orbit
C. Clouds in the sky
D. Tides in the ocean
E. Birds flying at night
Editorial review: discuss the scientific issue and whether the source choices support one answer.
A. Earth's rotation
B. Earth's orbit
C. Clouds in the sky
D. Tides in the ocean
E. Birds flying at night
Editorial review: discuss the scientific issue and whether the source choices support one answer.