The early atmosphere on Earth was mostly carbon dioxide.
It was also poisonous and extremely hot.
Atmosphere is the gaseous envelope of a planet.
Today's atmospheric functions include sustaining life with oxygen, produced from plants; filtering harmful rays from the sun, helping in protecting the Earth from meteor collisions.
James Madison was the fourth president of the United States of America born in Montpelier Virginia he was president from 1809-1817
Maintain army and a navy, coin money, make treaties with foreign nations and raise taxes
Answer:
Hmmm...
An upside down legless half headed stickman?
An arrow pointing at a half a circle?
