Question: If I tell you that Fire causes thermal expansion, and ask you the question "what causes thermal expansion?", is the correct answer "energy"?
OPTIONS:
- Yes
- No
Answer: No

Question: If I tell you that Expandable stems help many cacti survive in dry environments, and ask you the question "what feature of many cacti help them survive in dry environments?", is the correct answer "exoskeleton"?
OPTIONS:
- Yes
- No
Answer: No

Question: If I tell you that Carbon dioxide concentrations in the air have increased over the last 10 years dramatically, and ask you the question "concentrations of what in the air have increased over the last 10 years dramatically", is the correct answer "chlorofluorocarbons"?
OPTIONS:
- Yes
- No
Answer:
No