The habitable zone is
A) the region on a planet where conditions are not acceptable for life to exist.
B) a region around a star where a planet has temperatures that permit the existence of liquid water.
C) the visible surface of a star.
D) only found around black holes
E) a region on a young planet where amino acids can begin to form DNA molecules.
Correct Answer:
Verified
Q7: A cell's DNA molecules are constructed of
A)
Q8: From which of these planets do we
Q9: Current searches for extraterrestrial intelligence use radio
Q10: The stars most likely to have inhabited
Q11: Life
A) reproduces itself.
B) contains information necessary for
Q13: DNA molecules contain patterns for the production
Q14: The most likely low interference region of
Q15: The processes of life
A) extract energy from
Q16: The first complex life appeared on Earth
Q17: When estimating the number of technologically advanced
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