The view of the earth's surface as seen from a height is

1. square
2. rectangular
3. circular
4. triangular

Assertion (A): With increase in altitude the circular horizon of the earth's surface also widens.

Reason (R): The earth's surface is flat.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Assertion (A): The pole star lies in line with the axis of the earth with its angle decreasing towards the Equator.

Reason (R): The earth is spherical in shape.

1. Both A and R are true and R is the correct explanation of A.
2. Both A and R are true but R does not explain A.
3. A is true but R is false.
4. A is false but R is true.

Magellan's ship Victoria after completing a round-the-world voyage in 1522 returned to which country?

1. France
2. Spain
3. London
4. United States of America