air and water

Choose the correct option

1. the percentage of ground water ............

2. salt in oceans and seas contain .............. .

3. In the 2004 Tsunami the tsunami travelled at a speed of?

• 1. 97.3%, sodium hydroxide, 600kmper/hr

• 1. 0.68%, sodium chloride, 700km per/hr

• 1. 0.68%, sodium chloride, 800km per/hr

• 1. 2.0%, sodium chloride, 800km per/hr

example of local wind is:

• sea breeze

• sea wind

• westerlies

• easterlies

the layer of atmosphere that extends upto a height of 80km is:

• troposphere

• mesosphere

• stratosphere

• exosphere

the compostion of carbon dioxide in air

• 0.04%

• 0.03%

• 0.003%

• 0.004%

what is insolation?

• the incoming moon energy intercepted by earth

• the incoming solar energy reflected by earth

• the incoming solar energy intercepted by earth

• the incoming moon energy reflected by earth

1. barometer measures .............

2. rain gauge measures ..............

3. thermometer measures .......... .

• 1.amount of rainfall, direction of wind, temperature

• 1. atmospheric pressure, amount of rainfall, direction of wind

• 1. amount of rainfall, temperature, direction of wind

• 1. atmospheric pressure, amount of rainfall, temperature

ionosphere is a part of ..................

• exosphere

• mesosphere

• thermosphere

• troposphere

Celsius was invented by .................. .

• robert celsius

• ander celsius

• anders celsius

• william celsius

water boils at .................

• 1000 degree celsius

• 101 degree celsius

• infinity degree celsius

• 100 degree celsius

major sources of fresh water

choose the incorrect option

• glacier

• sea

• ponds

• springs