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Two small, poorly drained lakes lie close to each other in a northern forest. The basins of both lakes are composed of the same geologic substratum. One lake is surrounded by a dense Sphagnum mat; the other is not. Compared to the pond with Sphagnum, the pond lacking the moss mat most likely has ________

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KjNnesmith

Answer:

The correct answer is C)

Explanation:

The lake with no Sphagnum mat has less disolved oxygen. The moss is a plant which generates and liberates oxygen as part of its metabolism. The oxygen disolves into the whater of the lake which has this Sphagnum mat, giving it a higher concentration of disolved oxygen than the other one.

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