Podcast
Questions and Answers
What is the composition of the ozone layer located between the upper troposphere and lower stratosphere?
What is the composition of the ozone layer located between the upper troposphere and lower stratosphere?
- Water vapor
- Methane gas
- Nitrogen atoms
- Free oxygen molecules (correct)
At what altitude is the mesosphere located above the Earth's surface?
At what altitude is the mesosphere located above the Earth's surface?
- 100 km
- 50-75 km
- 12-25 km
- 85 km (correct)
Which layer of the atmosphere is known as the Thermosphere?
Which layer of the atmosphere is known as the Thermosphere?
- Stratosphere
- Troposphere
- Mesosphere
- Ionosphere (correct)
What happens when gas molecules in the thermosphere are bombarded with sunrays?
What happens when gas molecules in the thermosphere are bombarded with sunrays?
In the context of the Earth as an organism, which part would be considered as its 'lungs'?
In the context of the Earth as an organism, which part would be considered as its 'lungs'?
Which layer of the atmosphere can support life and is considered as the biosphere?
Which layer of the atmosphere can support life and is considered as the biosphere?
Which of the following statements about igneous rocks is correct?
Which of the following statements about igneous rocks is correct?
What is the primary process involved in the formation of sedimentary rocks?
What is the primary process involved in the formation of sedimentary rocks?
Which of the following statements about metamorphic rocks is incorrect?
Which of the following statements about metamorphic rocks is incorrect?
What is the approximate percentage of salt water in the hydrosphere?
What is the approximate percentage of salt water in the hydrosphere?
What is the meaning of the term 'environment' based on its origin?
What is the meaning of the term 'environment' based on its origin?
Why can only Earth support life according to the text?
Why can only Earth support life according to the text?
Which of the following salts is not listed as a major component of sea water?
Which of the following salts is not listed as a major component of sea water?
In the context of the text, what is the function of water in thermoregulation?
In the context of the text, what is the function of water in thermoregulation?
Approximately how much salt is found in each liter of ocean water?
Approximately how much salt is found in each liter of ocean water?
Which layer of the Earth comprises rocks, soil, and sand?
Which layer of the Earth comprises rocks, soil, and sand?
Where does the energy required for life on Earth primarily originate from?
Where does the energy required for life on Earth primarily originate from?
What defines the biophysical environment according to the text?
What defines the biophysical environment according to the text?
Which of the following is not a freshwater body?
Which of the following is not a freshwater body?
What percentage of Earth's fresh water is in the form of frozen glaciers or ice caps?
What percentage of Earth's fresh water is in the form of frozen glaciers or ice caps?
What is the primary function of water in maintaining life on Earth?
What is the primary function of water in maintaining life on Earth?
Which of the following is not a part of the Earth's atmosphere?
Which of the following is not a part of the Earth's atmosphere?
What is the primary function of the stratosphere?
What is the primary function of the stratosphere?
What is the primary composition of the Earth's atmosphere?
What is the primary composition of the Earth's atmosphere?
