Realms of the Earth

How many Domains does the Earth have?

• 4

• 2

• 5

• 6

which layer or realm of the Earth deals only with water?

• Lithosphere

• Hydrosphere

• Biosphere

• Atmosphere

Which realm of the Earth mainly deals with land?

• Hydrosphere

• Lithosphere

• Atmosphere

• Cryosphere

About what percentage of Earth is covered with water.

• 70

• 80

• 60

• 75

Which realm deals mainly with Living organisms?

• Biosphere

• Hydrosphere

• Atmosphere

• Lithosphere

Natural Resources like coal, Petroleum etc , are found in which layer?

• Lithosphere

• Hydrosphere

• Atmosphere

• Biosphere

Earth is also called ____ planet.

• Red

• Blue

• Yellow

• White

What is the most important source of salt for humans?

• Oceans

• Pond water

• River

• Seas

Which gases present in the Atmosphere, supports life on earth?

• Hydrogen

• Oxygen

• Nitrogen

• Carbon dioxide

____ is the medium that carries sound waves.

• Water

• Land

• Air

• None of these