C2.4.1 continued and its atmosphere Flashcards
1
Q
What is the atmosphere
A
the atmosphere is a mixture of gases that surround the earth
2
Q
What is the part nearest to the earth called
A
the part nearest to the earth called the troposphere
3
Q
what is the troposphere
A
a mixture of elements them being oxygen and nitrogen
4
Q
What are the element percentages of the atmosphere
A
oxygen= 21
nitrogen= 78
argon= 1
carbon dioxide= 0.4
