Question

What is the size of a clay particle?

• A. $<$ 0.20 mm
• B. $<$ 0.02 mm
• C. 0.003 mm
• D. $<$ 0.002 mm

Hint:

Clay particles are the finest soil particles, and their small size helps in moisture retention and nutrient storage in the soil.

Answer 1

The Correct Option is D

Clay particles are extremely fine and have a size of less than 0.002 mm. These small particles contribute to the soil's ability to retain water and nutrients, making clay soils highly fertile.