FORESTRY
SOIL SCIENCE
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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A. Clay
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B. Loam
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Silt
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Sand
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Detailed explanation-1: -Soil is a small particles of rocks that contain decayed plants, animals and tiny organisms.
Detailed explanation-2: -CLAY is the smallest particles of broken rock in soil, less than . 0002mm in diameter, so it is a fine dust.
Detailed explanation-3: -Soil is made up of: Organic particles of decayed plant and animal materials which come from living plant and animal bodies; Mineral particles such as sand, clay, stones or gravel which were once parts of larger rocks.
Detailed explanation-4: -An atom is the smallest particle of an element, having the same chemical properties as the bulk element. The first accurate theory explaining the nature of matter was Dalton’s Atomic Theory: 1. All matter is composed of atoms, and atoms are indivisible and indestructible.
Detailed explanation-5: -Starting with the finest, clay particles are smaller than 0.002 mm in diameter. Some clay particles are so small that ordinary microscopes do not show them. Silt particles are from 0.002 to 0.05 mm in diameter. Sand ranges from 0.05 to 2.0 mm.