Choose the correct option.
1. Sub-stratum is just below
(a) sub-soil
(b) top-soil
(c) bed-rocks
(d) humus

Choose the correct option.
1. Sub-stratum is just below
(a) sub-soil
(b) top-soil
(c) bed-rocks
(d) humus
2. Weathering of rocks is a
(a) slow process
(b) fast process
(c) very slow process
(d) very fast process
3. Roots of trees reach this level
(a) sub-soil
(b) bed-rock
(c) topsoil
(d) sub-stratum
4. When there is sufficient rain, ground water level
a) falls
(b) no effect
(c) remains same
(d) rises
5. Soil forms layers when mixed with water. Sand is found above
(a) clay
(b) silt
(c) gravel
(d) humus​

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2 thoughts on “Choose the correct option.<br />1. Sub-stratum is just below<br />(a) sub-soil<br />(b) top-soil<br />(c) bed-rocks<br />(d) humus”

  1. Answer:

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    Explanation:

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