Question: Which three events are likely to occur once per day?
Choices:
text: 3 cycles of day, 3 cycles of night, and birds chirping as the sun rises
label: A
text: a cycle of day, a cycle of night, and a motorcycle
label: B
text: a cycle of day, a cycle of night, and birds chirping as the sun rises
label: C
text: a cycle of day, a cycle of night, and birds flying
label: D
Answer: C
Fact: cycles of day and night occur once per day