Podcast
Questions and Answers
What are the two main gases that make up 99% of the air we breathe?
What are the two main gases that make up 99% of the air we breathe?
- Oxygen and Water Vapour
- Nitrogen and Oxygen (correct)
- Nitrogen and Carbon Dioxide
- Oxygen and Argon
Which gas is essential for the survival of humans and other animals on Earth?
Which gas is essential for the survival of humans and other animals on Earth?
- Carbon Dioxide
- Argon
- Nitrogen
- Oxygen (correct)
What process converts nitrogen into nitrates for plant use?
What process converts nitrogen into nitrates for plant use?
- Photosynthesis
- Respiration
- Decomposition
- Nitrogen fixation (correct)
Which gas is not part of the naturally occurring gases in the remaining 1% of air?
Which gas is not part of the naturally occurring gases in the remaining 1% of air?
Why should you not be able to smell clean air according to the text?
Why should you not be able to smell clean air according to the text?
What makes pollutants in the air visible according to the text?
What makes pollutants in the air visible according to the text?
What is the name of the air quality index used in Canada?
What is the name of the air quality index used in Canada?
How is air quality measured in terms of pollutants?
How is air quality measured in terms of pollutants?
What does a higher number on the AQHI indicate?
What does a higher number on the AQHI indicate?
Which country uses the Pollutant Standards Index (PSI) to report air quality?
Which country uses the Pollutant Standards Index (PSI) to report air quality?
When is it advisable for vulnerable individuals to consult the AQHI daily?
When is it advisable for vulnerable individuals to consult the AQHI daily?
What type of individuals should refrain from strenuous outdoor activities when the AQHI is high?
What type of individuals should refrain from strenuous outdoor activities when the AQHI is high?
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