The change in the quality of the environment that can be harmful and unpleasant for living things is called

The energy possessed by a body due to its position is called its

A. heat energy

B. kinetic energy

C. potential energy

D. chemical energy

During the interconversion of energy from one form to other forms, the total energy at any time remains

A. constant

B. zero

C. increasing

D. decreasing

A moving car possesses

A. sound energy

B. mechanical energy

C. heat energy

D. chemical energy

When a force acting on a body displaces it in the direction of a force than

A. uniform velocity occurs

B. uniform speed occurs

C. work is done

D. equilibrium take place

The energy stored in coal is

A. kinetic energy

B. potential energy

C. chemical energy

D. nuclear energy