18 Questions
Where is the protective ozone layer located in the Earth's atmosphere?
Stratosphere
Which layer of the atmosphere contains about 75% of the atmosphere?
Troposphere
At what altitude does the concentration of protective ozone peak in the stratosphere?
22km
Which layer of the atmosphere gets colder near the top, reaching temperatures as low as -75˚C?
Troposphere
Which type of pollutants are emitted by nonpoint sources of air pollution?
Cars
Which are examples of point sources of air pollution?
Sewage treatment plants
What is the main function of the ionosphere?
Containing electrically charged particles that can interfere with radio broadcasts
At what altitude does the mesosphere begin?
50 – 80 km above Earth’s surface
Which layer of the atmosphere experiences shooting stars blazing up?
Mesosphere
What phenomenon is associated with the magnetosphere?
Creation of Northern and Southern Lights
Which layer of the atmosphere is characterized by a temperature rise up to 230˚C?
Thermosphere
What is NOT an essential element for life mentioned in the text?
$\text{Methane (CH}_4\text{)}$
Which of the following is considered a secondary pollutant?
Sulfuric acid
Which air pollutant is directly released into the air by point and nonpoint sources?
Carbon monoxide
What type of air pollutant is formed from the chemical reactions of primary pollutants and other substances?
Ozone
Which air pollutant is known for being a very corrosive acid that can make rainwater acidic?
Sulfuric acid
What can make rainwater acidic due to its formation from chemical reactions involving sulfur dioxide?
Sulfuric acid
Which air pollutant is primarily released from volcanic emissions?
Sulfur dioxide
Learn about the composition of Earth's atmosphere, the importance of oxygen, carbon dioxide, and nitrogen, as well as the basics of air pollution and its impact on the environment.
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