In 2009, a survey revealed that more children than average were born in Indian cities that had above-average numbers of cellphone towers. This could be because:
a) Cellphone radiation can influence biological processes.
b) More cellphone towers are placed in highly populated areas.
c) Fewer single people tend to have mobile phones than married ppl (:p)
d) The number of cellphone towers is an indication of average income.

Question

In 2009, a survey revealed that more children than average were born in Indian cities that had above-average numbers of cellphone towers. This could be because:
a) Cellphone radiation can influence biological processes.  
b) More cellphone towers are placed in highly populated areas.  
c) Fewer single people tend to have mobile phones than married ppl (:p)  
d) The number of cellphone towers is an indication of average income.