Which element makes up most of the air we breathe.
carbon nitrogen oxygen argon
A B C D
Question: Which element makes up most of the air we breathe.
A. carbon
B. nitrogen
C. oxygen
D. argon
Answer:
Which element makes up most of the air we breathe.
oxygen carbon argon nitrogen
A B C D
Question: Which element makes up most of the air we breathe.
A. oxygen
B. carbon
C. argon
D. nitrogen
Answer:
D
Which element makes up most of the air we breathe.
carbon nitrogen oxygen argon
1 2 3 4
Question: Which element makes up most of the air we breathe.
1. carbon
2. nitrogen
3. oxygen
4. argon
Answer:
2
Which element makes up most of the air we breathe.
carbon nitrogen oxygen argon
A W D S
Question: Which element makes up most of the air we breathe.
A. carbon
W. nitrogen
D. oxygen
S. argon
Answer:
W
Which element makes up most of the air we breathe.
oxygen carbon argon nitrogen
A W D S
Question: Which element makes up most of the air we breathe.
A. oxygen
W. carbon
D. argon
S. nitrogen
Answer:
S