realms of the earth

which of the following is a realm of land

• hydrosphere

• atmosphere

• biosphere

• none of these

how many layers of atmosphere are there

• 6

• 12

• 20

• 7

why is global warming caused

• because of oxygen in the air

• because of nitrogen in the air

• because of carbon dioxide in the air

• because of diamonds in the earth

what is biosphere

• interaction between all three realms of earth

• volcanic eruption

• air

• land

The Earth's crust is made up of and

The large masses Of land is called

• sea

• continents

• oceans

• none of the above are correct

Water cycle is also known as

• Lithosphere

• hydrosphere

• hydrological cycle

• none of these

How many % of the water is covered on the Earth

• 97%

• 2%

• 71%

• 1%

• 100%

Mountains arranged in a line is called

• Peak

• range

• valley

The rising air causes