Multiple choice

Size of silt particles is between the size of ______ and ________ particles.

  1. Rocks, gravel

  2. Sand <font size="2">, </font>clay

  3. Humus particle <font size="2">, </font> gravel

  4. Sand <font size="2">,</font> gravel
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Silt particles are intermediate in size between sand (larger) and clay (smaller) particles. Sand particles range from 0.05mm to 2mm, silt from 0.002mm to 0.05mm, and clay particles are smaller than 0.002mm. This makes 'Sand, clay' (B) the correct answer, as silt fills the size gap between these two types. Rocks (A) are much larger, humus (C) is organic matter not a particle size category, and gravel (D) is larger than sand.

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