1.
Marble has an attractive texture and colour and can be cut and polished.
2.
Option C
3.
Loom is a mixture of sand and clay.
4.
Marble, slate etc are impermeable rocks.
5.
Millions of years ago, when there was no soil but only rocks were present, rocks broke down due to rain, heat, pressure etc into small pieces called weathering. Plants and mosses started growing on it and after their death, the decaying material on the rocks formed the soil.
6.
Option A
7.
Marble used for statues or grand building because it has attractive textures and colours.
8.
Option A
9.
Soil is mainly made up of rocks and humus.
10.
Option D
11.
Option B
12.
The soil of different places have different colours and feel different because they are made of different rocks.
13.
Option B
14.
Option B
15.
Pumice and granite are igneous rocks.
16.
Option A
17.
Option C
18.
When limestone is heated and pressurised, it forms marble, a metamorphic rock.
19.
Igneous rocks are found in the volcanic region.
20.
Option A