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27-01-2016
Biology

contestada

A scientist noticed that the number of salamanders in ponds in the Rocky Mountains was declining. This was a(n)
a. hypothesis.
c. observation.
b. theory.
d. control.

Respuesta :

aristotle aristotle

27-01-2016

c. observation

(it was observation because it was a true statement)

(it cannot be hypothesis because is not an opinion)

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