About 71% of the Earth surface is covered by ____________.

_________ cover about 29% of the total surface area of the Earth.

Water can exit in all _________ states of matter .

____________ is covered by 3/4 of water.

Where is the majority of land present?

Which is the largest ocean in the world?

The watery part of the Earth is called the _____________.

___________ covers 24% of the Earth's surface.

_________ is essential both for plants and animal including man.

Which is the largest continent?