In what sense can you truthfully say that you are a part of every person around you?
A) We all live on the same planet and share the same resources.
B) We are continually exchanging our atoms.
C) We all share the same genetic code.
D) There are more people alive now than have ever lived.
Question 2
A cat strolls across your backyard. 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.