This gas makes up about 78% of the atmosphere.
What is nitrogen?
A mixture of gases that surrounds a planet.
What is an atmosphere?
The introduction of harmful substances into the atmosphere.
What is air pollution?
The presence of CO2 and other gases in the atmosphere increases the average temperature of the Earth.
What is the Greenhouse Effect?
The continuous movement of carbon between living things, the atmosphere, land, and oceans.
What is the carbon cycle?
This layer of the atmosphere protects us from most harmful solar radiation.
What is the stratosphere?
What is carbon monoxide?
Burning fossil fuels like coal and oil is a major source of this type of air pollution.
What is acid rain?
Landfills and other wastes lead to an increase in this type of pollution in their air.
What is methane?
The amount of carbon someone releases from their activities, such as driving a car and heating their home, within a year.
What is carbon footprint?
This pulls the atmosphere close to Earth. Planets without this do not have an atmosphere.
What is gravity?
Water vapor in the atmosphere condenses into these, eventually falling as rain or snow.
What is clouds?
Tiny solid or liquid particles floating in the air that can cause respiratory problems.
What is particulate matter?
Recent generations and societal trends have led to an increase in this type of pollution.
What is e-waste?
All living things are made up of this.
What is carbon?
This layer is responsible for most of the weather we experience.
What is the troposphere?
Even though humans need oxygen to survive, there is only this small percentage of oxygen in the air.
What is 21%?
This forms from chemicals produced from factories, cars, copiers, and others reacting with sunlight.
What is ozone?
What is formed by the natural fossilization of plants and animals over time?
What is fossil fuels?
A colorless, odorless, non poisonous gas that appears in nature and is critical to the survival of plant life
What is carbon dioxide?