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.
I think it is eather a or b
<span>Samuel Gompers sets up the American Federation of Labor (AFL). </span>
The California gold rush was on January 24 1848 and it’s significant bc it created a lasting impact of industrial and agricultural development.
That would be true because he was an important part in the Book Of Genesis.
Hope It helps
