Q. Which of the following processes generally occur in-situ?
  1. Weathering
  2. Erosion
  3. Mass Wasting
Select the correct option from the codes given below:

Answer: Only 1
Notes: Weathering occurs in-situ as it involves the breakdown of rocks and minerals without movement. Erosion involves transportation of weathered materials and does not occur in-situ. Mass wasting refers to downslope movement under gravity, thus it does not fit strict in-situ definition. Therefore, only weathering generally occurs in-situ.