Question 7 Imagine a scientist is conducting an experiment on the effects of acid on weathering rocks. In this experiment, there
are three different samples of identical rock pieces. The scientist does not add anything to the first sample. The
scientist adds 5 drops of acid the second rock and 10 drops of acid to the third rock. What is the dependent
variable?
a. Amount of weatering
b. Amount of Acid
C. Amount of rain
d. Number of Rocks