2 Describe the goal of the experiment.
A To learn how many groups are needed to conduct a controlled experiment.
B. To compare the the loss of water and soil nutrients from an area of uncut
forests to one that had been stripped of its trees.
C To design dams in a way that scientists could take measurements of surface
water volume and undissolved nutrient content.
D To learn how scientists study nature and how matter and energy make up
the world
N