All of the following would be questions that could be scientifically investigated except:

a)what is the proper number of children to have in today's family?
b)will equal sizes of styrofoam and wood have the same mass?
c)does lack of sunlight affect plant growth
d)does adding salt to water raise its boiling point?

A)what is the proper number of children to have in today's family?

Explanation:

equal distribution i think.

desert perennials often survive by remaining dormant during dry periods of the year, then springing to life when water becomes available. most annual desert plants germinate only after heavy seasonal rain, then complete their reproductive cycle very quickly.