Photoautotrophs Use

question 49

Multiple Choice

Photoautotrophs use

• A) light as an energy source and CO₂ as a carbon source.
• B) light as an energy source and methane as a carbon source.
• C) N₂ as an energy source and CO₂ as a carbon source.
• D) CO₂ as both an energy source and a carbon source.
• E) H₂S as an energy source and CO₂ as a carbon source.

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