Step 1: Analyzing the options.
- (A) Aeolian deposition: This process involves the deposition of material by wind, which does not create cirques.
- (B) Fluvial deposition: This involves water and sediment deposition by rivers, not the formation of cirques.
- (C) Glacial erosion: This is the correct answer, as glaciers carve out cirques through erosion.
- (D) Deposition of volcanic ash: This process does not form cirques.
Step 2: Conclusion.
The correct answer is (C) because cirques are formed by the erosive action of glaciers.
Final Answer: (C) glacial erosion
The figures I, II, and III are parts of a sequence. Which one of the following options comes next in the sequence at IV?

A color model is shown in the figure with color codes: Yellow (Y), Magenta (M), Cyan (Cy), Red (R), Blue (Bl), Green (G), and Black (K). Which one of the following options displays the color codes that are consistent with the color model?
