Chain-of-thought: Ozone depletion results in higher levels of UV radiation reaching Earth. Solar UV radiation levels are highest during the middle of the day. Ozone depletion results in radiation levels that are highest during the middle of the day.
Q: Ozone depletion results in radiation levels that are highest when?
Options:
- (A) middle of the day
- (B) forest is destroyed
- (C) late evening
- (D) Under 32 degrees
- (E) middle of the night
- (F) Temperature changing
- (G) Plant growth is reduced
- (H) early morning
A: (A)
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Chain-of-thought: Neurons are the structural and functional units of the nervous system. Glial cells perform critical functions in the nervous system. Neurons are the structural and functional units of where the glial cells perform critical functions.
Q: Neurons are the structural and functional units of where what is critical?
Options:
- (A) organs
- (B) Glial cells
- (C) nerves
- (D) Structural units
- (E) voltage
- (F) Storage units
- (G) Critical care
- (H) A computer
A: (B)
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Chain-of-thought: Plants respond to daily and seasonal cycles and to disease. Temperature follows a seasonal cycle. Plants respond to temperature.

Q: What do plants respond to?
Options:
- (A) Energy.
- (B) heat produced
- (C) Chemical energy
- (D) sun's heat
- (E) the environment
- (F) heat energy
- (G) Sulfur dioxide
- (H) temperature
A: (H)
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