Class 9 Geography : Subject : Geography3. Exogenetic Process Part 1
Subject : Geography 3. Exogenetic Process Part 1 Questions and Answers Q 1. Answer in brief. (a) What is mechanical weathering ? Ans: The disintegration of rocks without any change in their chemical composites called mechanic weathering.. (b) What are the main types of chemical weathering? Ans: The process of decomposition of rocks due to changes in their chemical composition is called chemical weathering. (c) How does biological weathering occur? Ans: The weathering process caused by human beings, animals and plants is called biological weathering. (d) Distinguish between weathering and mass wasting. Ans: Q 2. Write whether the statements are true or false. Correct the incorrect ones. *(a) Climate affects earthquakes. Ans: False- Internal movements affect earthquake *(b) Mechanical weathering is less effective in humid climates. Ans: True *(c) Mechanical weathering happens on a large scale in dry climates. Ans:True *(d) The breaking down of rocks into smaller pa