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

Question

spring98 · Answer

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

spring98 · Answer

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.

spring98 · Answer

@sleepyhead314 plz help me!!!

spring98 · Answer

@ParthKohli @uri

anonymous · Answer

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

anonymous · Answer

does that help?

spring98 · Answer

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

anonymous · Answer

Ok great!