The Bormann-Likens study in the Hubbard Brooks Experimental Forest in New Hampshire can best be described as
a. a comparison of a control site with an experimental site in nature
b. what can occur in a forest watershed without plants to absorb water
c. an example of how scientists learn about the effects of our actions on natural systems
d. a comparison of a control site with an experimental site in nature and a study of what can occur in a forest watershed without plants to absorb and retain water
e. a comparison of a control and an experimental site, a study of what can occur in a forest watershed without plants to absorb water, and an example of how scientists learn about the effects of our actions on natural systems.
E
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