Bena thinks that dissolving more salt in water causes the mixture’s freezing temperature to change.Which is the best type of scientific investigation for Bena to use to study this?
Answer
A
an experimental investigation, because it can provide the most data
B
a comparative investigation, because it uses a wide range of variables
C
an experimental investigation, because it allows for the control of variables
D
a comparative investigation, because it would take the least amount of time