World Oceans

Question 1

What percentage of the Earth's surface is covered by oceans?

Accepted Answer

71%

Question 2

Which human activity is a major contributor to plastic pollution in the oceans?

Accepted Answer

Single-use plastic consumption

Question 3

Which fish species is often overfished due to high demand for its meat and fins?

Accepted Answer

Tuna

Question 4

What approximate percentage of human-produced CO₂ emissions do oceans absorb to counter climate change?

Accepted Answer

25-30%

Question 5

Climate change can lead to rising sea levels, endangering coastal areas and human infrastructure.

Accepted Answer

True

Question 6

What is the warmest ocean, ranging from 72 to 82 degrees Fahrenheit?

Accepted Answer

Indian

Question 7

Which fishing method is particularly harmful to marine ecosystems and often leads to overfishing?

Accepted Answer

Trawling

Question 8

The term for the sustainable practice of breeding and raising fish in controlled environments is known as...

Accepted Answer

Aquaculture

Question 9

Which agreement aims to cut greenhouse gases to fight climate change and its impact on the oceans?

Accepted Answer

Paris Agreement

Question 10

Plastic pollution in the oceans poses a big threat to marine life, as animals can ingest or become entangled in plastic.

Accepted Answer

True

Question 11

Ocean acidification results from excess carbon dioxide absorption in the ocean, lowering pH levels.

Accepted Answer

True

Question 12

What is the main cause of sea level rises?

Accepted Answer

melting glaciers and ice caps

Question 13

How does climate change contribute to the phenomenon known as coral bleaching?

Accepted Answer

By increasing ocean temperatures

Question 14

The deepest point in the ocean, located 10,935 meters below the surface of the western Pacific Ocean, is called the...

Accepted Answer

Challenger Deep

Questions 14