Carbon dioxide is the primary greenhouse gas in the Earth's atmosphere, accounting for approximately 60% of the greenhouse effect.

Photosynthesis is the process by which plants absorb carbon dioxide and release oxygen during photosynthesis.

Climate is the term for the long-term average of weather conditions in a particular area.

Human activities, such as the burning of fossil fuels, are the primary cause of climate change.

Global warming is the term for the increase in the average global temperature.

The troposphere is the layer of the Earth's atmosphere that contains the majority of weather phenomena.

The stratosphere is the layer of the Earth's atmosphere that contains the ozone layer.

Condensation is the process by which water vapor condenses into clouds.

Precipitation is the term for the process by which water falls from the sky.

Evaporation is the term for the process by which water changes from a liquid to a gas.

Sublimation is the term for the process by which water changes from a solid to a gas.

Condensation is the term for the process by which water changes from a gas to a liquid.

Freezing is the term for the process by which water changes from a liquid to a solid.

Melting is the term for the process by which water changes from a solid to a liquid.

Deposition is the term for the process by which water changes from a gas to a solid.