Soils are made up of minerals air, water and
A. Plants
B. Organic matter
C. Sand
D. Stones
Answer: Option B
Solution(By Examveda Team)
Soils are made up of minerals air, water and organic matter.Soil is commonly referred to as earth or dirt and is a mixture of organic matter, minerals, gases, liquids and organisms that support life.
Soil consists of a solid phase of minerals and organic matter as well as a porous phase that holds gases and water.
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Which one is the most important among Amphibloes
A. Hornblend
B. Tremolite
C. Diopsite
D. Actinolite
Sources of negative charges on silicate clays is/are
A. Exposed crystal edges
B. Isomorphus substitution
C. Anion exchange
D. All of these
The most conspicuous chemical change that take place when soil is flooded is reduction of
A. Fe
B. P
C. S
D. None of these
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