Vocab quiz: Greenhouse gases

Carbon dioxide is one of the major __________ that cause global warming.

• extract

• release

• renewable resources

• greenhouse gases

Plants help to __________ the level of carbon dioxide in the atmosphere.

• release

• maintain

• extract

• replace

Burning fossil fuels can ___________ harmful gases into the atmosphere.

• maintain

• extract

• release

• raise

The main sources of energy that do not harm the environment are called ________________.

• renewable resources

• greenhouse gases

• raise

• maintain

Deforestation can __________ the concentration of carbon dioxide in the air.

(Deforestation: Sự phá hủy rừng)

• replace

• consist of

• maintain

• raise

Renewable resources can help to ________________ fossil fuels in energy production.

• replace

• release

• maintain

• consist of

The atmosphere ________________ different gases, including nitrogen, oxygen, and carbon dioxide.

• maintains

• replaces

• consists of

• raises

Factories often ___________ pollutants which contribute to climate change.

(pollutant: Chất gây ô nhiễm)

• maintain

• replace

• release

• consist of

People should reduce ______ fossil fuels to protect the environment.

• maintaining

• replacing

• releasing

• extracting

One way to prevent climate change is to _________ the use of renewable resources.

• replace

• extract

• raise

• consist of