The Environmental Chemistry 1: The Atmosphere

What is the main reason for the depletion of the ozone layer?

 
 
 
 

Which international agreement was signed to reduce the production of ozone-depleting substances?

 
 
 
 

Which air pollutant is known to cause respiratory diseases and lung cancer?

 
 
 
 

The lowest temperature in the stratosphere is:

 
 
 
 

What is the major cause of smog formation in urban areas?

 
 
 
 

Which of the following is a major contributor to indoor air pollution?

 
 
 
 

The stratosphere extends up to:

 
 
 
 

Which layer of the atmosphere contains most of the Earth’s weather phenomena?

 
 
 
 

The troposphere extends up to:

 
 
 
 

Most air pollution is caused by:

 
 
 
 

The ozone layer is found in:

 
 
 
 

The outermost layer of Earth’s atmosphere is:

 
 
 
 

What is the term used for harmful substances released into the air?

 
 
 
 

Which gas is reddish-brown in color?

 
 
 
 

Which layer is closest to the Earth?

 
 
 
 

Which gas is commonly used as an indicator of air pollution levels?

 
 
 
 

Which gas is primarily responsible for the greenhouse effect?

 
 
 
 

Which of the following is responsible for acid rain?

 
 
 
 

Which gas has the highest percentage in the air?

 
 
 
 

The primary source of nitrogen oxides (NOₓ) in the atmosphere is:

 
 
 
 

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