_______ percentage of nitrogen is present in the air.

(a)

78.09%

(b)

74.08%

(c)

80.07%

(d)

76.63%

Tsunami in Indian Ocean took place in the year _________.

(a)

1990

(b)

2004

(c)

2005

(d)

2008

The word tsunami is derived from __________ language.

(a)

Hindi

(b)

French

(c)

Japanese

(d)

German

The example of surface water is

(a)

Artesian well

(b)

Groundwater

(c)

Subsurface water

(d)

Lake

Event that occurs due to the failure of monsoons.

(a)

Condensation

(b)

Drought

(c)

Evaporation

(d)

Precipitation