Air consists of
A) a mixture of gases that behaves like single gas.
B) unevenly mixed gases that act independently.
C) oxygen only.
D) mostly carbon dioxide and water vapor.
E) primarily oxygen and several trace gases,such as carbon dioxide.
Correct Answer:
Verified
Q8: Earth's fourth atmosphere likely formed from
A)water vapor
Q9: Earth's second atmosphere likely formed from
A)water vapor
Q10: Why are humans and other living things
Q11: The three stable (i.e. ,nonvariable)gases in the
Q12: Which of the following is false?
A)Air pressure
Q14: Half of the total mass of Earth's
Q15: Nitrogen (N2)is
A)a key component of life,integrated into
Q16: The top of the Earth's atmosphere is
Q17: The outermost region of the atmosphere,based on
Q18: Three criteria used for classification of the
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