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Question 1 What is the biosphere?

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Presentation on theme: "Question 1 What is the biosphere?"— Presentation transcript:

1 Question 1 What is the biosphere?
The earth system that contains all living things

2 Question 2 Does the biosphere have clear boundaries?
No, because it is found within other Earth systems including air, water, and soil.

3 Question 3 What is the atmosphere?
The mixture of gases that forms a layer around Earth

4 Question 4 What two gases make up most of the atmosphere?
Nitrogen and Oxygen

5 Question 5 Where does most weather occur in the atmosphere?
In the troposphere

6 Question 6 What is the hydrosphere?
The system that contains all of Earth’s water

7 Question 7 What is the geosphere?
The solid part of Earth Dirt, soil, volcanoes, mountains, the ocean floor

8 Question 8 What are the main layers of the geosphere?
The crust, mantle, and core


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