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What is the main problem discussed in the video?
Biking is not good for exercise.
Cities need more bike lanes.
Air pollution can be harmful to cyclists.
Air pollution doesn't affect cyclists.
Where does air pollution often come from?
Trees
Vehicles
Factories
Rivers
What do scientists use to measure how much pollution people breathe in while biking?
A special shirt, two air pollution devices, a blood pressure
A bike helmet, a heart rate monitor, and a speedometer.
A bicycle, a lock, and a helmet.
A map, a compass, and a watch.
What does the GPS device record?
The cyclists' heart rates
The cyclists' speeds
The air pollution levels
The cyclists' locations
What is the team's goal for the future?
To make everyone ride bikes.
To stop people from driving cars.
To build more bike lanes.
To create a smartphone app to show air pollution levels.
Why does air pollution become worse when we exercise?
We breathe in more air.
We get hungry.
We get tired.
We sweat more.
What previous studies show about air pollution?
It is only a problem in big cities.
It is good for our health.
It doesn't affect us.
It can get deep into our lungs.
How is the current study different from previous studies?
It focuses on air pollution in cities.
It uses technology to measure pollution while people are bik
It is a very old study.
It is a small-scale study.
What is similar about the current study and previous studies?
Both studies use the same technology.
Both studies are very old.
Both studies are conducted in rural areas.
Both studies focus on air pollution.
Why is it important to know about air pollution levels for cyclists?
To make cities more bike-friendly.
To encourage more people to bike.
To reduce air pollution.
To avoid areas with high pollution levels.
What could be the potential benefits of using a smartphone app to show air pollution levels?
Cities can take steps to reduce pollution.
Cyclists can choose safer routes.
All of the above.
People can become more aware of air pollution.
What is the main message of the video?
Biking in cities can be harmful due to air pollution.
Cities should ban cars.
Biking is the best form of exercise.
Air pollution is getting worse.
What is the team of scientists trying to do?
Create a smartphone app to show air pollution levels.
Stop people from driving cars.
Make cities more bike-friendly.
Measure how much pollution people breathe in while biking.
Why is it important to study the impact of air pollution on cyclists?
To encourage more people to bike.
To reduce air pollution.
All of the above.
To protect their health.
What is the potential solution to the problem of air pollution for cyclists?
Reducing the number of cars on the roads.
All of the above.
Using a smartphone app to avoid areas with high pollution le
Improving air quality in cities.
Based on the information in the video, what can cyclists do to protect their health?
Avoid areas with high pollution levels.
Wear a mask.
All of the above.
Choose routes with less traffic.
