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Question
The aerated upper layer of soil is likely to have ________ concentrations of H2 for aerobic H2-oxidizing Bacteria, so these bacteria likely ________.A) high / thrive in such conditions by not competing with chemoorganotrophs
B) high / generate important reducing equivalents as byproducts for other microorganisms in the soil
C) low / do not occur in such habitats
D) low / will need a chemoorganotrophic way to grow as well
Answer
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