Ocean

Q. What are oceans?

1. A large natural stream of water flowing in a channel to the sea.
2. A large area of water surrounded by land.
3. Oceans are huge bodies of water generally separated by continents.
4. An extension of saline water on earth is called ocean.

Q. This ocean covers more than one-third of the Earth's surface and nearly half of Earth's water surface. It also has the deepest point on Earth - the Mariana Trench. Identify this ocean.

1. Atlantic ocean
2. Pacific ocean
3. Indian ocean
4. Arctic ocean

Q. The surface of the Earth and the bottom of the ocean are similar because they have:

1. Same composition and thickness
2. Irregular surface with mountains, plateaus, and plains

1. Only 1
2. Neither 1 and 2
3. Only 2
4. Both 1 and 2

Q. 71% of the Earth's surface is occupied by seas and oceans.

1. True
2. False

Q. 71% of the Earth's surface is occupied by seas and oceans.

1. False
2. True