Oxygen is not a greenhouse gas, while carbon dioxide, methane, and water vapor are.

Photosynthesis is the process by which plants convert sunlight into energy.

Eutrophication is a type of water pollution, not air pollution.

Cellular respiration is the process by which animals obtain energy from food.

The ocean is not an ecosystem, but rather a collection of ecosystems.

Transpiration is the process by which plants absorb water from the soil.

Fossil fuels are not a type of renewable energy, as they are a finite resource.

Nitrogen fixation is the process by which bacteria convert nitrogen gas into a form that can be used by plants.

Light pollution is not a type of pollution, as it does not have a negative impact on the environment.

Photosynthesis is the process by which plants release oxygen into the atmosphere.

Pollution prevention is not a type of conservation, as it does not involve the protection of natural resources.

Cellular respiration is the process by which animals obtain energy from food.

The ocean is not an ecosystem, but rather a collection of ecosystems.

Transpiration is the process by which plants absorb water from the soil.

Fossil fuels are not a type of renewable energy, as they are a finite resource.