BIOLOGY DAILY BELLRINGERS

An element that makes up 21% of the Earth's atmosphere; a gas in Earth's atmosphere and in water that living organism's breathe.

• Carbon Dioxide

• Photosynthesis

• Respiration

• Oxygen

An element that makes up most of the air near Earth's surface: nitrogen is a gas at room temperature.

• Helium

• Nitrogen

• Oxygen

• Carbon Dioxide

The gaseous form of water; produced when water evaporates.

• Water Vapor

• Evaporation

• Condensation

• Respiration

The process in which water changes from a liquid to a gas.

• Water Vapor

• Evaporation

• Condensation

• Respiration

The process in which water turns from a gas into a liquid.

• Water Vapor

• Respiration

• Condensation

• Evaporation