Question

Q.2 Fill in the blanks.

(1)is also used for making parachutes and ropes for rock climbing.

(2) The production of sperms by the testes is called

(3) is the force per unit area applied to an object.

(4) is a discharge of atmospheric electricity.

(5) comet can be seen after every 76 years.​

Answer 1

1. Nylon

2. spermatogenesis

3. pressure

4. Atmospheric electricity

5. Eta Aquarids