Which marine habitats would have the least access to primary producers? a. salt marshes and estuaries b. coral reefs and lagoons c. mangroves and intertidal zones d. deep sea and sea floor Please select the best answer from the choices provided A B C D

Simba travel agency arranges trips for climbing mount kilimanjaro. for each trip, they charge an initial fee of \$100$100 in addition to a constant fee for each vertical meter climbed. for instance, the price for climbing to the shira volcanic cone, which is 30003000 meters above the base of the mountain, is \$400$400. let f(d)f(d) denote the fee of a trip ff (measured in dollars) as a function of the vertical distance climbed dd (measured in meters). write the function's formula. f(d)=