Question

[FW.01] The graph below shows the salmon population, in thousands of pounds, in the Columbia River, from 1866 to 1983.

Answer 1

https://cv-kettle-falls.brainhoney.com/Resource/30434273,0/Assets/160259_4ec417a8/art023.jpg

Answer 2

Based on the graph, which of these conclusions is most likely correct?

A. The salmon did not breed between 1866 and 1879.
B. The hydropower units on the river were deactivated after 1970.
C. A series of large hydropower units were built on the river after 1931.
D. A large amount of contaminants were present in the river between 1910 and 1912.

Answer 3

@sleepyhead314 plz help me!!!

Answer 4

@ParthKohli @uri

Answer 5

It is probably C because the population was decreasing and continued to decrease from the pollution from the hydro power units

Answer 6

does that help?

Answer 7

K Thanks!!!!! That was helpful!!! :D

Answer 8

Ok great!