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51.

The number of standard time zones in the entire world is

A.	36	B.	24
C.	360	D.	12

52.

The time deeded for the moon to go through a complete cycle of phases is

A.	30 days	B.	27?
C.	31 days	D.	29

53.

The phase of the moon during an eclipse of the sun is

A.	Half	B.	New
C.	Full	D.	In any phase

54.

The number of earthquakes that occur each year is about

A.	14	B.	1000
C.	2	D.	100

55.

Gravitic rocks belong to which of the following rock types?

A.	Sedimentary	B.	Basaltic
C.	Igneous	D.	Metamorphic

56.

The moon does not fall onto the earth despite the attraction between the earth and the sun because of

A.	The usn's opposing attraction	B.	The centrifugal reaction
C.	A gravitational repulsion	D.	The fixed orbit in which the moon rotates

57.

The nearest star to the sun is

A.	Alpha Centuari	B.	Sirius
C.	Polaris	D.	Mercury

58.

The asteroids are between

A.	Saturn and Uranus	B.	Jupiter and Saturn
C.	Mars and Jupiter	D.	Mars and Earth

59.

The idea that the earth was the centre of the universe was maintained by

A.	Copernicus	B.	Galileo
C.	Aristachus	D.	Aristotle

60.

What percentage of earth area does water occupy?