Biology · Ecology and Environment
Planting trees in mined-out or severely degraded lands controls environmental pollution primarily by:
- 1Promoting deeper land subsidence and minor local landslides
- 2Preventing any future reclamation of the site
- 3Stabilizing unstable topsoil, reducing wind-blown dust, and checking heavy metal runoff✓
- 4Accelerating soil weathering and rock cleavage
Correct answer
Stabilizing unstable topsoil, reducing wind-blown dust, and checking heavy metal runoff
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