Question

Bena thinks that dissolving more salt in water causes the mixture’s freezing temperature to change.

FAST PLEASE
Which is the best type of scientific investigation for Bena to use to study this?

an experimental investigation, because it can provide the most data
a comparative investigation, because it uses a wide range of variables
an experimental investigation, because it allows for the control of variables
a comparative investigation, because it would take the least amount of time

Answer 1

The right option is; an experimental investigation, because it allows for the control of variables.

Step-by-step explanation: