Question

column A

1. magnets
2. sound
3. hydro energy
4. energy of nucleus
conservation of energy




column B

(a) remote sound - controlled system
(b) water
(c) refrigerators
(d) bicycles
(e) nuclear energy
​

Answer 1

Explanation:

1) ------- (c) refrigerators

2) ------ (a) remote sound - controlled system

3) ------ (b) water

4) ----- (e) nuclear energy

5) ----- (d) bicycles