Nitrogen Cycle

What happens when organisms die and decay? 

• Their bodies are lifted up
• Their nitrogen returns to the soil
• they keep their nitrogen
• They stay on earth forever

How to the nitrogen come back to the atmosphere?

• The soil releases the nitrogen into the air
• It evaporates
• It goes through a process called nitrogimation
• It magically gets there

How to plants and animals get nitrogen?

• They are born with it
• Their skin has it
• They bathe in it
• It's in their food and water

how does the nitrogen come down from the atmosphere?

• The nitrogen transforms into other chemicals
• precipitation
• They come down with the rain
• it mixes with the oxygen

Where does nitrogen move?

• In human bodies
• In buildings
• Between animals, bacteria, plants, and the atmosphere. 
• only in the air