REVISION
Help
Which gases primarily make up Earth's atmosphere?
Oxygen, nitrogen, and carbon dioxide
What natural process involves the transformation of water through its solid, liquid, and gaseous states on Earth?
Water cycle
What is the average temperature on Earth?
15°C
Unlock this slideshow and over 2 million more with Baamboozle+
Try slideshows
Your experience on this site will be improved by allowing cookies.
Allow cookies