Question #1:
Where is the world's largest desert?

Question #2:
What insects are prehistoric and have been around for 350 million years?

Question #3:
The human heart is about the size of which fruit--an apple, a grapefruit, a cantaloupe?

Question #4:
Yes or No? Are icebergs salty?

Question #5:
True or False? A rainbow that appears at night by the light of the moon is called a moonbow.

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