Question

which is the most important movement of our body​

Answer 1

Answer:

All of the body's voluntary movements are controlled by the brain. One of the brain areas most involved in controlling these voluntary movements is the motor cortex. ... They observed that depending on what part of the cortex they stimulated, a different part of the body contracted.

Answer 2

Answer:

(i) Environmental aspects must be carefully looked into before building

huge dams.

(11) Most industries are concentrated around coal mines.

(1) Petroleum is referred to as “black gold”.

(iv) Quarrying can become a major environmental concern.

Distinguish between the followings.

(i) Conventional and non conventional sources of energy

(ii) Biogas and natural gas

(iii) Ferrous and nonferrous minerals

(iv) Metallic and nonmetallic minerals