The land-use activities which can be considered responsible …

The land-use activities which can be considered responsible for soil erosion in the tropics are

  1. bush fallowing, overgrazing and monoculture
  2. industrialization, monoculture and lumbering ✓
  3. mining, bush fallowing and market gardening
  4. irrigation, terrace farming and crop rotation

Explanation

This answer correctly identifies the geographic concept or location. Geography helps us understand the Earth and how humans interact with it.

The other options describe different geographic features or concepts. They don’t match what the question is asking for.

Remember this geographic fact when studying maps, climates, and how places are connected.