Multiple Choice
A cat strolls across your back yard. An hour later, a dog with its nose to the ground follows the trail of the cat. Explain what is going on from a molecular point of view.
A) The dog is following the areas of increased density of the earth.
B) The dog is smelling atoms from the cat.
C) The dog is smelling molecules from the cat.
D) The cat is leading the dog into a trap.
Correct Answer:
Verified
Correct Answer:
Verified
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