Geography, 03.08.2021 18:40 joelpimentel
An ecologist suspects that an otherwise healthy forest ecosystem experienced an unusually high level of acid deposition during a snowy winter. Which of the following should the ecologist measure to help confirm her hypothesis?
I. the numbers of malnourished and/or poisoned trees
II. the aluminum concentration in the soil
III. the pH of the snowmelt
a. I only
b. II only
c. I and II only
d. II and III only
e. I, II, and III
Answers: 2
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