Carbon Dioxide and Oxygen Cycle

Match it! Select the correct answer from the pull down...Good luck!

Photosynthesis is the process by which --- make ---.

What waste product released during the carbon dioxide-oxygen cycle is necessary for the survival of animals?

If there is a fire in the forest, there will be less --- in the environment.

Planting large numbers of trees results in ---.

People and animals exhale --- during ---.

Oxygen is a gas produced by --- and used by ---.

Carbon dioxide is a gas produced by --- and used by ---.

The carbon cycle is the movement of carbon on Earth by the processes of --- and ---.