Read the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks fro…

Read the following leaflet and mark the letter A, B, C or D on your answer sheet to indicate the option that best fits each of the numbered blanks from 7 to 12.

Saving the Oceans

The oceans occupy over 70% of the Earth's surface and provide food for billions of people. (7) people once believed the oceans were an infinite resource, scientists now warn that human activity may seriously damage marine ecosystems.

Today the oceans face a vast (8) of environmental threats such as overfishing and pollution. Large fish like tuna, cod, and sharks are often caught (9) the open ocean before they reach maturity.

To protect marine resources, experts suggest several actions:

● Reduce demand in the (10) .

● Prevent (11) fishing that destroys fish populations.

● Support conservation programs to ensure that oceans (12) valuable for future generations.