in the indigenous agricultural system known as the three - sisters, maize, squash, and beans form an ____…

in the indigenous agricultural system known as the three - sisters, maize, squash, and beans form an ____ web of relations, with the maize providing the structure on which the squash and bean vines can grow, the squash vines cover the soil, discouraging competition from weeds, and the beans add their \nitrogen - fixing\ ability by enriching the soil with essential nitrogen. which choice completes the text with the most logical and precise word or phrase?\na) obscure\nb) intricate\nc) impermeable

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