| A jet plane flies in the air because |
| (a)the gravity does not act on bodies moving with high speeds |
(b)the thrust of the jet compensates for the force of gravity  |
| (c)the flow of air around the wings causes an upward force, which compensates for the force of gravity |
| (d)the weight of air whose volume is equal to the volume of the plane is more than the weight of the plane |
