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pkclary pkclary
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7 years ago
The first chemicals that provided potential energy on Earth may have been formaldehyde and hydrogen cyanide. While these were produced by sunlight-driven reactions, they also occur around deep-sea vents. If the first organisms on Earth evolved around these vents, the first life on Earth was
A) photosynthetic and obtained energy from the sun.
B) chemosynthetic and obtained energy from chemicals.
C) herbivorous and obtained energy from plants.
D) carnivorous and obtained energy from animals.
Textbook 
Biological Science, Canadian Edition

Biological Science, Canadian Edition


Edition: 2nd
Authors:
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GTi_NickyGTi_Nicky
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7 years ago
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pkclary Author
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Thanks
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This calls for a celebration Person Raising Both Hands in Celebration
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I appreciate what you did here, answered it right Smiling Face with Open Mouth
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