7.9C

Front

What is the greenhouse effect?

Back

The greenhouse effect is the process by which certain gases in Earth's atmosphere trap heat, keeping the planet warm enough to support life.

Front

Why is Earth's atmosphere important for life?

Back

Earth's atmosphere contains a balanced mix of gases, including oxygen and carbon dioxide, which are essential for respiration and photosynthesis.

Front

What role does Earth's distance from the Sun play in supporting life?

Back

Earth's distance from the Sun allows for a stable climate where temperatures are suitable for liquid water, which is essential for life.

Front

How does liquid water support life on Earth?

Back

Liquid water is necessary for all known forms of life, as it is a solvent for biochemical reactions and helps regulate temperature.

Front

What is the primary source of Earth's freshwater?

Back

The primary source of Earth's freshwater is glaciers and ice caps, followed by groundwater, lakes, and rivers.

Front

How do oceans support marine life?

Back

Oceans provide a habitat for a wide variety of marine organisms and are crucial for the global ecosystem.

Front

What is photosynthesis?

Back

Photosynthesis is the process by which plants use sunlight, carbon dioxide, and water to produce glucose and oxygen.

Front

Why is carbon dioxide important for plants?

Back

Carbon dioxide is used by plants during photosynthesis to produce oxygen and glucose, which are vital for their growth.

Front

What is the significance of soil moisture?

Back

Soil moisture is essential for plant growth as it provides the necessary water for plants to absorb nutrients.

Front

How does Earth's atmosphere protect life?

Back

Earth's atmosphere protects life by blocking harmful ultraviolet radiation from the Sun and regulating temperature.