Which of the following does not affect soil erosion?

Correct option is C

✅ (c) Solar: • Solar radiation itself does not directly affect soil erosion. • It influences temperature but has minimal effect on soil displacement or detachment. • The main factors affecting erosion are:
· Climate (rainfall, wind)
· Vegetation cover
· Topography (slope and elevation)
❌ (a), (b), (d): • All these directly influence the rate and extent of soil erosion.