Questions on How Earth Supports Life

What is the primary reason Earth can support life?

• Presence of oxygen

• Availability of liquid water

• Earth's distance from the Sun

• All of the above

Which layer of the Earth’s atmosphere protects living organisms from harmful ultraviolet radiation?

• Troposphere

• Stratosphere

• Ozone layer

• Ionosphere

What role does Earth's magnetic field play in supporting life?

• It provides a source of oxygen

• It protects the planet from solar winds and cosmic radiation

• It regulates the temperature of the planet

• It helps in water retention on the surface

How does Earth's atmosphere contribute to supporting life?

• It traps heat to maintain a stable climate

• It provides essential gases like oxygen and carbon dioxide

• It shields the surface from meteoroids

• All of the above

What feature of Earth's surface is essential for the survival of life?

• Large mountain ranges

• Abundance of liquid water

• High desert areas

• Volcanic activity