Which of the following statements about the tundra is not true?

Tundra regions are known for very cold conditions and short, cool summers, not temperatures that swing from extreme lows to extreme highs. The other statements are true: “tundra” means “treeless land,” tundra organisms are adapted to the harsh climate, and alpine tundra occurs on mountaintops. Therefore, the statement about extreme highs and lows is not true.

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