Question

Classify the following into hard & soft materials.
cotton, iron, diamond, chalk, wood, wax, clay, sponge, bone, feathers

Answer 1

Answer:

hard material-

iron

diamond

bone

wood

chalk

Soft materials

Cotton

wax feather

clay

sponge

Explanation:

if they are soft in touch that means it is soft materials

if they are hard in touch that means it is a hard material

Answer 2

Answer:

Black soils are derivatives of trap lava and are spread mostly across interior Gujarat, Maharashtra, Karnataka, and Madhya Pradesh on the Deccan lava plateau and the Malwa Plateau, where there is both moderate rainfall and underlying basaltic rock.

Explanation:

@aaliasharma...