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Home » MCQs Snapshot » Professor Scheinman claims to have discovered a new macro-nutrient required for plant growth. Most of the professor’s colleagues are skeptical of this claim. Why might they consider it unlikely?

Professor Scheinman claims to have discovered a new macro-nutrient required for plant growth. Most of the professor’s colleagues are skeptical of this claim. Why might they consider it unlikely?

Options

a. All the nutrients required for the plant growth have already been found
b. Any nutrient needed in large amounts has probably been found already
c. It is difficult to prove
d. None of the above

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