Scientists are testing the impact of soil on the growth of a plant. They add the plant to soil that has been sterilized (removed of all microbes) , and the plant fails to grow. What might be one cause of this finding?
A) a lack of microbes to produce oxygen
B) a lack of microbes that will fix nitrogen
C) a lack of microbes that will perform photosynthesis
D) a lack of nutrients in the soil
Correct Answer:
Verified
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