Question

Weathering involves the __________.

• A. Picking up of rock fragments
• B. Mechanical and chemical breakup of rocks
• C. Movement of rock fragments
• D. Formation of rocks by the action of weather

Answer 1

The correct option is B Mechanical and chemical breakup of rocks

• Weathering: It is a process by which small rocks are broken down into further smaller pieces. Weathering can be of two types physical and chemical.
  
• Physical weathering is done by physical forces like thermal stress, frost, ocean waves, pressure etc.
  
• Chemical weathering is done by chemical processes like hydrolysis, oxidation etc.