Question

8.Puja is writing some statements but she confused to know whether the statements are correct or not? If you know the answer to this question, then tell her:
[A]. Most of the sounds which we hear in our everyday life reach us through the air.
[B]. Sound cannot be heard on the surface of moon because there is no air to carry the sound waves.
[C]. The astronauts who land on moon, talk to each other through wireless sets using radio waves.
[D]. Sound can be heard on the moon but only the 1/6th part of the total sound.

Answer 1

Answer:

[A] True, as there are particles present in air which vibrate helping us in hearing the sound.

[B] True

[C] True because of no air present in the space.

[d] True

Answer 2

Answer:

all are true

Explanation:

My teacher told us the answers and she told that all are true :-) don't worry