An excess of which of the following would create an algal bloom?
I. Nitrates
II. Phosphates
III. Sulfates
A. I only
B. I and II only
C. II only
D. III only
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Ответ:
Ответ:
1527.76 N/m
Explanation:
The Spring equation is k*x where k is the spring constant and x is the change in distance in meters. So you set 27.5=K*.018, (.018 comes from .193-.175). You then divide 27.5 by .018 to get the spring constant