Question

c. Chemical weathering occurs due to
i. hydration and oxidation
iii. freeze-thaw action
ii. carbonation and exfoliation
iv. none of the above
d. Soil erosion occurs due to
i. building shelter beds
ii. overgrazing
iii. planting trees
iv. making bunds
e. The top most layer of soil has most of the biological activities by
i. microorganisms, nematodes and dogs
ii. nematodes, frogs and seagulls
iii. frogs, tortoise and snails
iv. earthworms, nematodes and micro organisms​

Answer 1

Answer:

c. Chemical weathering occurs due to

i. hydration and oxidation✔️

iii. freeze-thaw action

ii. carbonation and exfoliation

iv. none of the above

____________________________________________________________________

d. Soil erosion occurs due to

i. building shelter beds

ii. overgrazing✔️

iii. planting trees

iv. making bunds

____________________________________________________________________

e. The top most layer of soil has most of the biological activities by

i. microorganisms, nematodes and dogs

ii. nematodes, frogs and seagulls

iii. frogs, tortoise and snails

iv. earthworms, nematodes and micro oorganisms✔️

____________________________________________________________________

Answer 2

Answer:

overgrazing

iii. planting trees

iv. making bunds

e. The

overgrazing

iii. planting trees

iv. making bunds

e. The

Explanation:

Chemical weathering occurs due to

i. hydration and oxidation

iii. freeze-thaw action

ii. carbonation and exfoliation

iv. none of the above

d. Soil erosion occurs due to

i. building shelter beds

ii. overgrazing

iii. planting trees

iv. making bunds

e. The top most layer of soil has most of the biological activities by

i. microorganisms, nematodes and dogs

ii. nematodes, frogs and seagulls

iii. frogs, tortoise and snails

iv. earthworms, nematodes and micro organisms