GK
GENERAL SCIENCE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
What are the three components of soil?
|
|
insects, sand, topsoil
|
|
|
clay, sand, humus
|
|
|
topsoil, subsoil, bedrock
|
|
|
earthworms, sand, silt
|
Explanation:
Detailed explanation-1: -Silt, clay and sand are the three main types of soil. Loam is actually a soil mixture with a high clay content, and humus is organic matter present in soil (particularly in the top organic “O” layer), but neither are a main type of soil.
Detailed explanation-2: -Soil is a material composed of five ingredients-minerals, soil organic matter, living organisms, gas, and water.
Detailed explanation-3: -The particles that make up soil are categorized into three groups by size – sand, silt, and clay. Sand particles are the largest and clay particles the smallest. Most soils are a combination of the three. The relative percentages of sand, silt, and clay are what give soil its texture.
There is 1 question to complete.