The peeling off the plates from parent rock due to differential expansion and contraction of minerals as a result of changes in temperature, is called as
A. Meander
B. Exfoliation
C. Illeviation
D. Moraine
Answer: Option B
A. Meander
B. Exfoliation
C. Illeviation
D. Moraine
Answer: Option B
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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