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Questions and Answers
What does the term 'biosphere' refer to?
Which of the following would not be part of the biosphere?
What is the atmosphere composed of?
What function does the atmosphere serve in relation to organisms on Earth?
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How does the biosphere interact with abiotic factors?
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What is one of the main components of the lithosphere?
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What would happen to Earth if there were no atmosphere?
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Why is the Earth not getting bigger despite new lithosphere being formed?
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What elements does the biosphere rely on for survival?
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What percentage of the Earth's air is located within 12 km of its surface?
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Where does most life within the biosphere exist?
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What is the fundamental role of the hydrosphere apart from sustaining life?
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What are the two types of lithosphere?
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Which of the following best describes the lithosphere?
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What primarily forms the new lithosphere?
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What is the approximate radius of the Earth?
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What is the primary cause of erosion?
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How do plants in the biosphere contribute to soil health?
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Which sphere involves the solid components of the Earth?
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What environmental condition primarily affects living things in mountainous regions?
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Which factor is considered when discussing the hydrosphere's impact on the environment?
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How does weather in mountainous regions primarily impact living organisms?
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Which of the following spheres is NOT involved in weather patterns?
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What is a primary consequence of snow precipitation in mountain areas?
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What role does the cryosphere play in the environment?
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Which of the following factors does not influence the landscape according to the interaction of the spheres?
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What is the primary component of the hydrosphere?
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How much ice are Antarctica and Greenland losing each year?
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Which of the following is considered part of the lithosphere?
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Which sphere plays a role in maintaining the amount of moisture in the air?
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What are the two main layers of soil?
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In what way do tectonic plates affect other spheres?
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Study Notes
Earth’s Global Systems
- The biosphere encompasses all ecosystems on Earth, including living organisms and the non-living elements they depend on.
Atmosphere
- The atmosphere is a thin layer of gases surrounding Earth.
- It serves as a protective shield against space hazards and plays a vital role in regulating climate, weather, and sound transmission.
Lithosphere
- The lithosphere is the Earth’s outermost solid layer, comprised of the crust and upper mantle.
- This layer is constantly changing as new lithosphere forms through magma cooling and solidifies while old lithosphere is consumed through subduction.
Hydrosphere
- The hydrosphere encompasses all of Earth’s water, including saltwater, freshwater, ice, groundwater, and water vapour.
- Water is essential for life and shapes Earth’s landscape.
- The frozen parts of the hydrosphere (cryosphere) reflect UV rays and circulate air and water globally.
Interactions Between Earth's Spheres
- Earth's spheres interact to influence factors such as landscape, soil formation, and salinity.
- Movement of tectonic plates (lithosphere) directly impacts the biosphere, atmosphere, and hydrosphere.
- Soil (lithosphere) is influenced by the atmosphere (wind), hydrosphere (water), and biosphere (living things).
- Weather (atmosphere) is impacted by elevation (lithosphere) and precipitation (hydrosphere) and in turn affects the biosphere (living things).
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Description
Explore the fundamental components of Earth's systems in this quiz, including the biosphere, atmosphere, lithosphere, and hydrosphere. Understand how these interconnected spheres interact and sustain life on our planet. Test your knowledge about each layer's role and significance.
