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381.

Percentage of Carbon dioxide in the air is:

A.	78%	B.	0.33%
C.	21%	D.	0.93%

382.

The average decrease of temperature per 1000 meter ascent is:

A.	6.8?C	B.	6.5?C
C.	5.6?C

383.

The total volume of the world ocean is:

A.	2.4 billion cubic kilometer	B.	3.4 billion cubic kilometer
C.	1.4 billion cubic kilometer	D.	None of these

384.

Percentage of chlorine by weight in the sea water:

A.	23%	B.	40%
C.	45%	D.	55%

385.

Because of the tilt of earth's axis, the sub-polar point ranges yearly over a total latitude span of:

A.	23	B.	66%
C.	47?	D.	90?

386.

Centre of high pressure:

A.	Anticyclone	B.	Cayclone
C.	None of these

387.

Centre of low pressure:

A.	Anticyclone	B.	Cayclone
C.	None of these

388.

The local wind which blows along the Adriatic coast of Yogoslavia is called:

A.	Chinook	B.	Foehn
C.	Bora	D.	Mistral

389.

When water vapours change into solid form directly without undergoing liquid state/ it is called:

A.	Evaporation	B.	Sublimation
C.	Condensation	D.	None of these

390.

During the day/on the mountain sides which face the sun/low pressure is created which causes the blowing of wind known as:

A.	Land breeze	B.	Mountain breeze
C.	Sea breeze	D.	Valley breeze