Atank contains 1000 l of pure water. brine that contains 30 g of salt per liter of water is pumped into the tank at a rate of 25 l/min. the concentration of salt after t minutes (in grams per liter) is c(t) = 30t 40 + t . as t → ∞, what does the concentration approach?

i know insulin is primary but i dont know the others im sorry

explanation:

catya that's not even a b or c

i think it's letter a.

they all get energy from eating other animals, dead animals to be more precise.

hienas tends to steal pray from other animals. crows and vultures tend to eat dead animals and leftovers.

hope it ,

bioteacher101