Biology, 13.11.2020 03:40 mothertrucker2828

Question 10 (3 points) The graph below shows the salmon population, in thousands of pounds, in the Columbia River, from 1866 to 1983.
60000
50000
40000
Salmon Population in
Thousands of Pounds
30000
20000
10000
0
1866
1879
1892
1905
1918
1931 +
1944 +
1957
1970
1983
Based on the graph, which of these conclusions is most likely correct? (3 points)
Оа
OD
The salmon did not breed between 1866 and 1879.
The hydropower units on the river were deactivated after 1970.
A series of large hydropower units were built on the river after 1931,
A large amount of contaminants were present in the river between 1910 and 1912
Ос
d

Answers: 1

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Question 10 (3 points) The graph below shows the salmon population, in thousands of pounds, in the...

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