Question

Someone please help me out and answer. Christine wants to see if different types of salt - rock salt, table salt, and kosher salt - have an effect on the time it takes for ice to melt. She places the same amount of ice, and a different type of salt, in three cups. She then starts the stopwatch. Manipulated variable?

A) Types of salt
B) Time it took for the ice to melt
C) Amount of ice in each cup
D) The stopwatch

Answer 1

a

Step-by-step explanation:

types of salts are different <3