Understanding Greenhouse Gases and Climate Change

What happens to photons when they hit a dark surface on Earth?

• They disappear completely.

• They pass through the surface.

• They are absorbed and converted into heat.

• They are reflected back into space.

Why are greenhouse gases crucial for Earth's temperature?

• They prevent the planet from overheating.

• They help maintain a temperature that supports life.

• They cool down the planet.

• They have no effect on Earth's temperature.

Which human activities have led to an increase in greenhouse gases?

• Burning fossil fuels and modern agriculture.

• Recycling waste.

• Using solar panels.

• Planting more trees.

What is the term used to describe the increase in Earth's average temperature due to greenhouse gases?

• Global warming.

• Global cooling.

• Weather modification.

• Climate stabilization.

What is the projected increase in global temperature by 2100 if the current rate of greenhouse gas emissions continues?

• 2.4 degrees Fahrenheit.

• 3.6 degrees Fahrenheit.

• 1.2 degrees Fahrenheit.

• 4.8 degrees Fahrenheit.