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What are the primary atoms that life is based on?
What are the primary atoms that life is based on?
- Silicon, nitrogen, phosphorous
- Carbon, oxygen, hydrogen
- Carbon, oxygen, hydrogen, nitrogen, phosphorous, sulfur (correct)
- Silicon, oxygen, hydrogen, nitrogen, phosphorous, sulfur
What does the anthropic principle tell us about the existence of life?
What does the anthropic principle tell us about the existence of life?
- Life would not have happened in any universe
- Life would have happened if there were different physical constants
- Life would have happened if not on planet Earth, then on some other planet (correct)
- Life would have happened only on planet Earth
What are the properties that define life?
What are the properties that define life?
- Having a mechanism to carry out instructions only
- Having a set of instructions and a mechanism to carry them out (correct)
- Having a set of instructions and a mechanism to sustain and reproduce itself
- Having a set of instructions only
Why is carbon-based life considered the most favorable?
Why is carbon-based life considered the most favorable?
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What is the main question the text states we don't have an answer to?
What is the main question the text states we don't have an answer to?
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