Author Question: Which of the following gases makes up the bulk of the atmosphere? A) N2 B) O2 C) H2 D) CH4 E) ... (Read 32 times)

Mimi

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Which of the following gases makes up the bulk of the atmosphere?
 
  A) N2
  B) O2
  C) H2
  D) CH4
  E) H2O

Question 2

Would you expect a can of warm soda or other carbonated beverage to foam more or less while flying on a airplane?
 
  A) The amount of foam would decrease.
  B) The amount of foam would increase.
  C) The amount of foam would be the same.
  D) Airplanes are pressurized so there is no change in pressure.
  E) none of the above



apple

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Answer to Question 1

A

Answer to Question 2

B



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