Podcast
Questions and Answers
What is the most abundant gas in the Earth's atmosphere by volume?
What is the most abundant gas in the Earth's atmosphere by volume?
- Carbon dioxide
- Nitrogen (correct)
- Argon
- Oxygen
At what level is the carbon dioxide concentration in the atmosphere currently?
At what level is the carbon dioxide concentration in the atmosphere currently?
- 390 ppm (correct)
- 0.002%
- 21%
- 0.04%
Which layer of the atmosphere extends from the Earth's surface to approximately 11 km in altitude?
Which layer of the atmosphere extends from the Earth's surface to approximately 11 km in altitude?
- Stratosphere
- Troposphere (correct)
- Mesosphere
- Thermosphere
Which gas, at trace levels, is required for plant growth?
Which gas, at trace levels, is required for plant growth?
Which gas, present in trace amounts, is commonly known as laughing gas?
Which gas, present in trace amounts, is commonly known as laughing gas?
What is the percentage of oxygen in the Earth's atmosphere by volume?
What is the percentage of oxygen in the Earth's atmosphere by volume?
Which layer of the atmosphere extends from approximately 11 km to about 50 km in altitude?
Which layer of the atmosphere extends from approximately 11 km to about 50 km in altitude?
What is the current level of carbon dioxide concentration in the atmosphere by volume?
What is the current level of carbon dioxide concentration in the atmosphere by volume?
Which gas, present in trace amounts, is commonly known as laughing gas?
Which gas, present in trace amounts, is commonly known as laughing gas?
What is the most abundant atmospheric constituent required for plant growth?
What is the most abundant atmospheric constituent required for plant growth?
What is the approximate percentage of nitrogen in the Earth's atmosphere by volume?
What is the approximate percentage of nitrogen in the Earth's atmosphere by volume?
Which layer of the atmosphere extends from approximately 11 km to about 50 km in altitude?
Which layer of the atmosphere extends from approximately 11 km to about 50 km in altitude?
What gas, at trace levels, is commonly known as laughing gas?
What gas, at trace levels, is commonly known as laughing gas?
Which gas is the most abundant oxide at higher levels in the atmosphere and is a significant pollutant?
Which gas is the most abundant oxide at higher levels in the atmosphere and is a significant pollutant?
What is the approximate level of carbon dioxide in the atmosphere by volume?
What is the approximate level of carbon dioxide in the atmosphere by volume?