Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what can be determined by the average number of people per one unit of area?" is "emissions", given that growth of an area can be determined by the average number of people per unit of area?
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A: No

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question " uncontrolled use of what for fuel has a negative impact on an ecosystem" is "oil", given that uncontrolled use of trees for fuel has a negative impact on an ecosystem?
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A: Yes

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what are the major crop that needs protecting by keeping them warm" is "organisms", given that flowers are the major crop that needs protecting by keeping them warm?
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A: No

Problem:OPTIONS:
- Yes
- No

Do you think the right answer to the question "what do flowers attract?" is "stems", given that flowers attract bees?
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A:
No