Environmental Studies · General Awareness

Greenhouse Gases and Atmosphere

1,328 Questions

Review important questions related to greenhouse gases, global warming, and atmospheric changes. The practice set focuses on identifying major pollutants and their environmental impact. These concepts are tested in the general awareness and environmental studies sections.

Greenhouse gas identificationGlobal warming processAtmospheric carbon dioxideMethane emissionsCement production emissions

Greenhouse Gases and Atmosphere Questions

Multiple choice

Why are green house gases a problem?

  1. They're not

  2. They are trapping too much heat into the Earth's atmosphere

  3. They are making it hard to see

  4. They are too green
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Greenhouse gases trap heat in the Earth's atmosphere, preventing it from escaping into space. This process, known as the greenhouse effect, leads to global warming.

Multiple choice

What are some of the main green house gases?

  1. nitrogen, methane, water vapor & helium

  2. carbon dioxide, oxygen, methane & hydrogen sulfide

  3. water vapor, methane, carbon dioxide & nitrous oxide

  4. methane, propane, water vapor & nitrogen
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The primary greenhouse gases include water vapor, carbon dioxide, methane, and nitrous oxide. Nitrogen and oxygen are not greenhouse gases.

Multiple choice

What are green house gases?

  1. Gases that absorb infrared radiation

  2. Gases that are green

  3. Gases that are hot
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Greenhouse gases are defined by their ability to absorb and emit infrared radiation, which traps heat in the atmosphere. They are not defined by their color or temperature.

Multiple choice

What causes global warming?

  1. leaving your oven on

  2. daylight savings

  3. too many blankets

  4. green house gases
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

The buildup of greenhouse gases in the atmosphere is the primary driver of global warming. The other options are unrelated to the global climate system.

Multiple choice

The following human activities produce greenhouse gases except:

  1. Driving cars

  2. Walking, biking, & swimming

  3. Animal agriculture

  4. Generating electricity from natural gas, oil, & coal
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Walking, biking, and swimming rely on human muscle power and do not burn fossil fuels, meaning they do not produce greenhouse gases. In contrast, driving cars, raising livestock, and burning fossil fuels for electricity are major sources of carbon dioxide and methane emissions.

Multiple choice

Why are greenhouse gases like CO2 & methane important to Earth's climate?

  1. They allow heat from Earth to escape the atmosphere

  2. They trap the Sun's energy so that Earth's surface is warm
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Greenhouse gases absorb infrared radiation emitted by the Earth and re-radiate it in all directions, trapping heat in the atmosphere. Without this natural greenhouse effect, Earth's average temperature would be too cold to support life as we know it.

Multiple choice

Carbon footprint is....

  1. The amount of oxygen produced when we produce food.

  2. The amount of gas produced when we eat food.

  3. The amount of carbon dioxide produced when we eat food.

  4. The amount of carbon dioxide produced when we produce food.
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

A carbon footprint measures the total greenhouse gas emissions, primarily carbon dioxide, caused directly and indirectly by an individual, organization, event, or product, such as the production of food.

Multiple choice

Which gas makes up 21% of the atmosphere?

  1. Carbon

  2. Oxygen

  3. Nitrogen

  4. Radon
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Oxygen is the second most abundant gas in Earth's atmosphere, making up approximately 21% of dry air. Nitrogen is the most abundant at about 78%.

Multiple choice

Which gas makes up 78% of the atmosphere?

  1. Carbon

  2. Oxygen

  3. Hydrogen

  4. Nitrogen
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Nitrogen is by far the most abundant gas in Earth's atmosphere, accounting for approximately 78% of its composition. Oxygen is the second most abundant at about 21%.

Multiple choice

Which gas is responsible for Global warming?

  1. Hydrogen

  2. Helium

  3. Oxygen

  4. Carbon dioxide
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Carbon dioxide is a primary greenhouse gas emitted through human activities like burning fossil fuels. It traps heat in the atmosphere, making it a major driver of global warming.

Multiple choice

What gas is used for energy in landfill decompostion

  1. CO2

  2. H2

  3. H2O

  4. CH4
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Landfills produce landfill gas, which is primarily composed of methane (CH4) and carbon dioxide (CO2). Methane is the component that can be captured and used for energy.

Multiple choice

Which gas causes global warming?

  1. Chlorine

  2. Carbon dioxide

  3. Nitrogen dioxide
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Carbon dioxide is the primary greenhouse gas emitted through human activities, such as burning fossil fuels, and is the main driver of global warming.