Elle wanted to test how temperature affects the rate of evaporation. She had
three setups:
Setup 1: Elle placed a container with 1 cup of water at room temperature
(25°C).
Setup 2: Elle placed a container with 1 cup of water in a warm room (45°C).
Setup 3: Elle placed a container with 1 cup of water in a cold room (0°C).
What factor did Elle control?
A. The size of the room
B. The volume of water
OC. The rate of evaporation
D. The air temperature of the room