Question

what are the uses rocks? write define mineral. in class 7​

Answer 1

• They help us to develop new technologies and are used in our everyday lives. Our use of rocks and minerals includes as building material, cosmetics, cars, roads, and appliances
• mineral as "a naturally occurring inorganic element or compound having an. orderly internal structure and characteristic chemical composition, crystal form, and physical. properties." Minerals differ from rocks, which are naturally occurring solids composed of one or more minerals.

Answer 2

Answer:

ROCKS

Any natural mass of mineral matter that makes up the earth's crust is called a rock. The earth's crust is made up of various types of rocks of different texture, size and colour.

Uses of minerals

They are used as fuels, for example – coal, petroleum and natural gas. They are used in industries for making medicines, fertilisers and many other items. Iron, bauxite, mica, gold, silver, etc. are examples of minerals