Explain why the population of trout might increase if the population of frogs decreased

If the population of frogs decreased, an animal that eats frogs and trout will decrease because it's food source is declining. Then, since the predator population is declining, the trout population will increase. The trout will have less predators to worry about.

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m=9

step-by-step explanation:

7m+8=71 subtract   8 from 71 which is 63 than divide it by 7m   equal 9.

                             

Anions are negative charged ions