GIVE REASONS - WHY :
The sun appears white at noon.

GIVE REASONS - WHY : The apparent position of the stars is not stationary.

GIVE REASONS - WHY : The colour of the clear sky is blue.

GIVE REASONS - WHY : We do not see the actual position of the stars.

GIVE REASONS - WHY : Objects are not seen clearly when we enter from bright light to a room with dim light.

GIVE REASONS - WHY : 'Danger' signal lights are red in colour.

GIVE REASONS - WHY : Some people use bi-focal lenses.

GIVE REASONS - WHY : We have two eyes for vision instead of one eye.

STATE WHETHER THE FOLLOWING STATEMENTS ARE TRUE OR FALSE: The sun appears circular at sunset and sunrise, but appears flattened at noon.