Question

while soil erosion occurs naturally, human activities, such as logging, have greatly increased the rate of soil erosion in many places around the globe. which of the following actions by a large - scale logging operation is most likely to result in severe soil erosion? choose 2 answers: a loggers plant new trees after cutting down the trees they need. b loggers leave at least one - third of the trees in a given area uncut. c loggers cut down most of the trees along the forests stream banks. d loggers clear - cut several acres of forest and do not plant new trees.

Explanation:

Trees help hold soil in place. Cutting most trees along stream - banks (C) removes the root systems that stabilize soil there, and clear - cutting without replanting (D) leaves large areas of soil exposed, both increasing soil erosion risk. Planting new trees (A) and leaving some trees uncut (B) help reduce soil erosion.

Answer:

C. Loggers cut down most of the trees along the forest's stream banks.
D. Loggers clear - cut several acres of forest and do not plant new trees.