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Home Q & A Board Science-Related Homework Help Physics
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Tsync Tsync
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8 years ago
What was detected on Halley's Comet and observed on Hale-Bopp that imply the possibility of life on Earth originating in space?
A) nucleotide bases
B) DNA
C) amino acids
D) ammonia
E) organic material
Textbook 
Astronomy Today

Astronomy Today


Edition: 8th
Authors:
Read 196 times
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Minoring in physics
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RatatouilleRatatouille
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8 years ago
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Tsync Author
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#2
8 years ago
Exactly what I needed Smiling Face with Open Mouth
Minoring in physics
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#3
8 years ago
Message back if you need anything
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