Question

loss of topsoil on hill slopes can be prevented by :​

Answer 1

Explanation:

Plant trees to prevent landslides.

Tree roots are powerful tools when soil is too eroded or steep to plant. Plant native trees on steep slopes and riverbanks to reduce soil loss. Bare ground around the tress still needs to be covered in mulch or grass for best results

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Answer 2

Answer:

planting more trees coz trees roots hold soil firmly