Sensors detect the concentration of mercaptan molecules in natural gas at various distances from a leaking source. At which location will a sensor detect the highest concentration of mercaptan?

a. two meters behind the source

b. one meter in front of the source

c. three meters behind the source

d. two meters in front of the source

Question

Sensors detect the concentration of mercaptan molecules in natural gas at various distances from a leaking source. At which location will a sensor detect the highest concentration of mercaptan?
		
a. two meters behind the source
		
b. one meter in front of the source
		
c. three meters behind the source
		
d. two meters in front of the source

cuanchi · Answer

it is the source moving or there is wind blowing in any known direction? https://answers.yahoo.com/question/index?qid=20120209210004AAO4hJq 1. Sensors detect the concentration of mercaptan molecules in natural gas at various distances from a leaking source. At which location will a sensor detect the highest concentration of mercaptan? (Points : 3) three meters behind the source two meters in front of the source two meters behind the source one meter in front of the source <--------- I think it is this one!