Question

Fill in the blanks :
1.____ of an object decide which one is moving faster than the other.
2.Telephones,electric bells and transformers use the principle of _____.
3.Sludge can be used as ___ after treatment.​

Answer 1

Answer:

1.. Velocity

2. electromagnetism

3. process to dispose

Hope it helps...✌️✌️✌️