Question

Name them - [3]

(i) The place on earth where magnetic needle becomes normal to the earth

surface.

(ii) The factor affecting the speed of sound when it travels from oxygen to

Hydrogen chamber.

(iii) The type of speed of a jet moving with a speed 350m/s.​

Answer 1

Answer:

1.Equator

hope it helps...

Answer 2

Answer: 1 ) Equator

2) temperature and material that makes up median such as air or

water.

3) Supersonic

Explanation: