Oceanography and oceanology 🌊

How much of the Earth's surface is covered with water?

• 71%

• 55%

• 89%

How much of the world's water occurs in the oceans as salt water

• 64%

• 82%

• 96%

How many organisms living on Earth inhabit the oceans?

• 47%

• 75%

• 94%

What is the largest ocean on Earth?

• Pacific Ocean

• Atlantic Ocean

• Indian Ocean

How many oceans are there on Earth?

• 4

• 5

• 6

• 7

Which ocean is the saltiest?

• Atlantic Ocean

• Indian Ocean

• Pacific Ocean

Which ocean is the warmest?

• Indian Ocean

• Atlantic Ocean

• Pacific Ocean

🌊?

• 🌊

• 🌊

• 🌊

• 🌊