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).
which were the experimental groups?
a. setups 1, 2, and 3
b. setups 1 and 2
c. setups 1 and 3
d. setups 2 and 3