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Home Q & A Board Science-Related Homework Help Physics Astronomy
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bgoodwi1 bgoodwi1
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5 years ago
Which observation(s) and/or experiment(s) demonstrate ways that the chemical building blocks of life (amino acids and DNA bases) could have originated on the early Earth?
A) Amino acids and DNA bases form from simple chemical reactions in experiments simulating the early Earth atmosphere.
B) These complex molecules have been found within meteorites.
C) Experiments have shown that naturally occurring clays can catalyze the formation of RNA strands.
D) All of the above
Textbook 
The Essential Cosmic Perspective

The Essential Cosmic Perspective


Edition: 7th
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AhmedsemsemAhmedsemsem
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5 years ago
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bgoodwi1 Author
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5 years ago
This helped my grade so much Perfect
hannahspillett
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Yesterday
Good timing, thanks!
Katey_maree
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2 hours ago
this is exactly what I needed
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