Which human activity is a major contributor to plastic pollution in the oceans?
Using biodegradable packaging
Recycling plastic waste
Single-use plastic consumption
Implementing plastic bag bans
The term for the sustainable practice of breeding and raising fish in controlled environments is known as...
Trawling
Bycatch
Overfishing
Aquaculture
What percentage of the Earth's surface is covered by oceans?
25%
71%
84%
52%
The deepest point in the ocean, located 10,935 meters below the surface of the western Pacific Ocean, is called the...
Tonga Trench
Challenger Deep
The Deep Point
Puerto Rico Trench
Which fish species is often overfished due to high demand for its meat and fins?
Rainbow Trout
Tuna
Pacific Cod
Sardines
Plastic pollution in the oceans poses a big threat to marine life, as animals can ingest or become entangled in plastic.
True
False
What approximate percentage of human-produced CO₂ emissions do oceans absorb to counter climate change?
90-100%
10-20%
50-60%
25-30%
Which agreement aims to cut greenhouse gases to fight climate change and its impact on the oceans?
New York Agreement
Paris Agreement
Madrid Agreement
London Agreement
What is the warmest ocean, ranging from 72 to 82 degrees Fahrenheit?
Pacific
Indian
Southern
Atlantic
Ocean acidification results from excess carbon dioxide absorption in the ocean, lowering pH levels.
True
False
Climate change can lead to rising sea levels, endangering coastal areas and human infrastructure.
False
True
Order these oceans from largest to smallest.
Atlantic
Southern
Indian
Pacific
What is the main cause of sea level rises?
melting glaciers and ice caps
dispersion, caused by too many fish in the sea
increased rain
changes in ocean currents
Which fishing method is particularly harmful to marine ecosystems and often leads to overfishing?
Trawling
Harpoon fishing
Pole and line fishing
Handline fishing
How does climate change contribute to the phenomenon known as coral bleaching?
By reducing the availability of sunlight
By decreasing ocean temperatures
By increasing ocean temperatures
By increasing ocean saltiness