2.4 Practice Test

As the concentration of CO₂ in the atmosphere increases the Earth gets cooler.

• True

• False

Which of the following gases DOES NOT trap heat?

• Carbon dioxide

• Nitrogen

• Methane

• Water Vapor

Compared to other greenhouse gases, carbon dioxide is the most effective in trapping heat near the surface of the Earth.

• True

• False

Visible light reaches Earth’s surface while infrared light is trapped as heat. Which characteristic of Earth’s atmosphere causes this to happen?

• the hole in the ozone

• the greenhouse effect

• the inversion layer

• atmospheric pressure

Which process does not add carbon into the atmosphere?

• Burning fossil fuel

• Photosynthesis

• volcanoes

• deforestation

One side of the climate change debate claims that humans are primarily responsible for adding carbon dioxide to the atmosphere. Recent data shows human activity produces ___________ times more carbon dioxide than volcanic eruptions per year.

• 75

• 50

• 100

• 25

The average temperature of the surface of Earth has increased approximately 1°C in the past century. Which of the following best describes why there is an increase in temperature?

• Increased amounts of CO₂ in the atmosphere

• Increased amounts of oxygen in the atmosphere

• Decreased amounts of nitrogen in the atmosphere

• Decreased amounts of ozone in the atmosphere

Carbon dioxide gases from volcanic eruptions can add to warming, but sulfur dioxide can contribute to ______________________.

• stability

• cooling

• no change in climate

• more eruptions

In the 1800's why did CO₂ levels increase significantly?

• The civil war caused more pollution

• As a result of Industrialization, new factories were being built that caused more pollution

• Scientists figured out how to clean up pollution in the air

Gases such as water vapor and carbon dioxide that trap heat near Earth are known as

• global gases

• greenhouse gases

• proxy gases

• offset gases