GEOLOGY

EARTH SCIENCE

OCEANS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What is the text mostly about?
A
where water comes from and how it is used
B
how some oceans are different from others
C
all the environmental issues facing the earth
D
the world ocean and how it is important
Explanation: 

Detailed explanation-1: -Oceans feed us, regulate our climate, and generate most of the oxygen we breathe. They also serve as the foundation for much of the world’s economy, supporting sectors from tourism to fisheries to international shipping.

Detailed explanation-2: -The five oceans from smallest to largest are: the Arctic, Southern, Indian, Atlantic and Pacific.

Detailed explanation-3: -The ocean (also the sea or the world ocean) is the body of salt water that covers approximately 70.8% of the surface of Earth and contains 97% of Earth’s water. An ocean can also refer to any of the large bodies of water into which the world ocean is conventionally divided.

Detailed explanation-4: -Ans: One can obtain salt, fish, shells and other products from the ocean. Besides these, we get minerals like iron, lead, cobalt, sodium, manganese, chromium, zinc, etc. from the ocean floor. We also get mineral oil and natural gas.

There is 1 question to complete.