Multiple Choice
What is "the habitable zone"?
A) the region on a planet where conditions are acceptable for life to exist
B) a region around a star at a distance where a planet's temperature would permit the existence of liquid water
C) a region only found around G and K stars
D) a region on a young planet at a temperature where amino acids can begin to form DNA molecules
Correct Answer:
Verified
Correct Answer:
Verified
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