Which of the following best describes the relation of the second paragraph to the first?
According to the passage, which of the following factors distinguishes an indirect purchase from other purchases?
Commercially available chemical fertilizers contain the same nutrients and micronutrients as organic fertilizers such as manure and composted garden clippings. Plants have tiny root hairs that absorb nutrients, and whether the source of the nutrients is organic or chemical is irrelevant to the plant's ability to take in the nutrients. Nevertheless, organic fertilizers are better for the health of the plant than are chemical fertilizers alone.
Which of the following, if true, would most strongly support the position above?