Do you think the right answer to the question "what causes lung tumors?" is "cancer", given that exposure to tobacco smoke causes tumors?
OPTIONS:
- Yes
- No

Answer: No

Do you think the right answer to the question "what do earthworms mix?" is "rocks", given that earthworms mix soil?
OPTIONS:
- Yes
- No

Answer: No

Do you think the right answer to the question "what requires energy?" is "empty space", given that diffusion requires energy?
OPTIONS:
- Yes
- No

Answer:
Yes