A spacecraft consumes more fuel in going the earth to moon than it takes for a return trip. Comment on this statement.

A spacecraft consumes more fuel in going the earth the moon than it takes for a return trip. Comment on this statement.

'Feeling of warmth on taking alcohol is false'. Comment on this statement.

Statement I: It takes more fuel for a spacecraft to travel from the earth to the Moon than for the return trip. Statement II: The point of zero gravitational field intensity due to the earth and the Moon is lying nearer to the Moon, i.e., in the diagram shown, for rltr_(0), E_(g) is towards the earth's centre and for rgtr_(0), E_(g) is towards the Moon's centre and at r=r_(0),E_(g) is zero.

All the solar energy trapped by green plants ultimately returns to the environment'. Comment on this statement.

It is necessary that we use the exhaustible sources of fuels judiciously. Comment on this statement.

The kinetic energy of the particles in the liquid state is more than in the solid state. Comment.

More than half of the earth's flora and fauna is found in