Air pollution

Which of the following is the main cause of air pollution in cities?

• Use public transport

• Burn fossil fuels

• Plant trees

What is the main gas that causes the greenhouse effect?

• CO2, CH4, CFC

• O2, CO2, H2O

• CH4, H2O, CO2

Which of the following is not a role of the ozone layer?

• Sunlight control, air conditioning

• Radiation shield

• Oxygen conditioning

What diseases can air pollution cause in humans?

• Cough and flu

• Lung cancer

• Anemia

According to IQ Air (a worldwide air quality monitoring application), where does the capital Hanoi rank in terms of air pollution worldwide?

• First

• Second

• Third

Climate change is caused by the impact of:

• Meteorites fall

• Human activities

• Natural disasters

One of the solutions to reduce air pollution is:

• Increased use of private cars

• Grow a lot of trees

• Discharge more emissions into the environment

What are the main activities in Earth Hour event?

• Turn off lights and unnecessary electrical appliances for one hour

• Organize trash collection and clean up the living environment

• Organize a paper-for-tree exchange activity