All living things on earth are part of the....

• Biosphere
• Geosphere
• Hydrosphere
• Cryosphere

The Geosphere is...

• All liquid water on Earth
• A 100km thick layer of gases
• frozen water on earth
• Earth's entire solid body 

A large part of Earth's fresh water is...

• in the oceans
• in the seas
• frozen
• in the biosphere

Atmo =

• land
• life
• water
• air

Bio =

• Science
• Math
• Earth
• Life

Most of the earths' water is

• fresh water found underground
• in the atmosphere
• salt water
• in rivers and lakes

Geo = 

• Earth
• Sphere
• Life
• Water

Hydro = 

• Sphere
• Earth
• Life
• Water

Photosynthesis is an example of an interaction between the biosphere and the:

• atmosphere
• Geosphere
• Cryoshpere
• hydrosphere

What is Earth's largest system? 

• Biosphere
• Geosphere
• Hydrosphere
• Atmosphere