National Geographic
Atmosphere: On the Air - Washington, D.C. National Geographic Society 1993
An ocean of air completely surrounds Earth. Extending from our feet to 1,000 Kilometers into space, the atmosphere acts as a shield for Earth, protecting it and making it possible for plants and animals to survive.
Atmosphere
Air
Atmosphere: On the Air - Washington, D.C. National Geographic Society 1993
An ocean of air completely surrounds Earth. Extending from our feet to 1,000 Kilometers into space, the atmosphere acts as a shield for Earth, protecting it and making it possible for plants and animals to survive.
Atmosphere
Air