Which of the following is not a contributing factor to the declining atlantic cod population? . a. increasingly efficient fish-harvesting technologies. b. decreases in ocean temperatures. c. international treaties reducing competition among fishing fleets. d. destruction of marine habitats.

The correct option is C.

A great decrease in the population of Atlantic cod population had been observed and this is brought about by many factors, such as improved methods of harvesting fish, changes in ocean temperature, destruction of marine habitats, etc. International treaties reducing competition among fishing fleets is not one of the contributing factors to the declining in the population of the cod fish.

9.9 years

a = p(1 + rt) . . account balance after time t at rate r starting with principal p

3000 = 2500(1 + 0.0202t) . . filling in the given numbers

1.2 = 1 + 0.0202t . . divide by 2500

0.2 = 0.0202t . . . subtract 1

0.2/0.0202 = t ≈ 9.901

it will take about 9.9 years for the account balance to reach $3000.

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