Respuesta :
Put em somewhere pretty cold (like a freezer) and look at them from hourly intervals.
Answer:
The correct answer is "Place both containers in a freezer, and record the temperatures at which they begin to freeze."
Explanation:
Jarrett wants to compare the freezing temperature of pure water to that of salt water. To do this, he should place a sample of salt water and a sample of pure water in a freezer and record the temperatures at which they begin to freeze.