All of the following would be questions that could be scientifically investigated excep
a. does lack of sunlight affect plant growth?
b. will equal sizes of styrofoam and wood have the same mass?
c. what is the proper number of children to have in today's family?
d. does adding salt to water raise its boiling point?

answer: option c.

explanation:

first thing first of the answer is with technology. second thing second thing is that the big bang theory did not happened u see they say it did but what they dont realize is that like dinasures are still a round they might deny it but they and look at these 12 foot human skelteons they find lets see didnt the bible say something about giants. hope this peace.