What is important about the habitable zone around a star that makes astronomers believe life could exist there
A) The level of UV radiation from the star is minimal there.
B) Only in the life zone can complex organic molecules be found.
C) Planets in the life zone will always have oxygen atmospheres.
D) In the life zone water can exist as a liquid.
Correct Answer:
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Q21: Q22: Q23: The portion of the electromagnetic spectrum between Q24: DNA is coiled into a tight spiral Q25: Which of the following is random Q27: The Miller experiment succeeded in creating _. Q28: A single human cell encloses about Q29: _ shows that the building blocks of Q30: Deoxyribonucleic acid contains the genetic information of Q31: Unlock this Answer For Free Now! View this answer and more for free by performing one of the following actions Scan the QR code to install the App and get 2 free unlocks Unlock quizzes for free by uploading documents![]()
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A)evolution
B)natural selection
C)genetic![]()