What is the weight of a blue whale if we compare it to an elephant's?
A blue whale weighs as much as 20 elephants.
A blue whale weighs as much as 33 elephants.
An elephant weighs as much as 33 blue whales.
A blue whale weighs twice as much as an elephant
Why are whales important according to the passage?
Whales are beautiful creatures and deserve to be protected.
Whales are a source of food for humans and need to be managed.
Whales are a popular tourist attraction and bring in money for local communities
Whales are at the top of the food chain and help keep the ocean healthy.
How much CO2 can a great whale take in?
About 10 tons
About 20 tons
About 33 tons
About 200 tons
How does commercial whaling affect the population of whales?
Commercial whaling has increased the population of whales.
Commercial whaling has no effect on on the population of whales.
Commercial whaling has helped to protect the population of whales.
Commercial whaling has reduced the population of whales.
How does climate change affect whales?
Climate change causes whales to migrate to warmer waters.
Climate change reduces the amount of food available for whales.
Climate change makes it harder for whales to communicate with each other.
Climate change increases the risk of whales being hit by ships.
How does noise pollution from shipping industry affect whales?
Noise pollution can attract whales to important feeding areas.
Noise pollution can help whales communicate with each other.
Noise pollution can disrupt（扰乱）whale communication and migration patterns.
Noise pollution has no significant impact on whale behavior.
What does WWF’s program, Protecting Whales and Dolphins Initiative, focus on?
Reducing bycatch and underwater noise and better protecting the important habitats.
Banning all fishing
Building aquariums（水族馆）
Promoting whaling
What is the main idea of the passage about whales?
Whales are amazing creatures that are facing many threats.
Whales are in danger because of commercial whaling and climate change.
Whales, important creatures to the ocean, are under threats and WWF has taken some actions to protect them.
Whales are large mammals that live in oceans around the world.