Which compound will contain a triple bond

Assume all hydrocarbons given are linear. Which compound will contain a triple bond?

 a.
C3H6
 b.
C8H18
 c.
C4H8
 d.
CH4
 e.
C7H12


Based on temperature, there are four main layers to our atmosphere. Which of the following is the correct name for the layer in which we live?
   
 a.
troposphere
 b.
thermosphere
 c.
stratosphere
 d.
mesosphere
 e.
ionosphere



Determine the formula for an alkyne, alkene and alkane containing 3 carbons.

 a.
C3H3     C3H6      C3H4
 b.
C3H6     C3H8      C3H10
 c.
C3H4     C3H8      C3H6
 d.
C3H4     C3H6      C3H8
 e.
C3H6     C3H10     C3H8