:(10 points) a brine solution of salt flows at a constant rate of 4 l/min into a large tank that initially held 100 l of pure water. the solution inside the tank is kept well stirred and flows out of the tank at a rate of 3 l/min. if the concentration of the salt in the brine entering the tank is 0.2 kg/l, determine the mass of salt in the tank after t min.

in cartography, a contour line (often just called a "contour") joins points of equal elevation (height) above a given level, such as mean sea level. a contour map is a map illustrated with contour lines, for example a topographic map, which thus shows valleys and hills, and the steepness or gentleness of slopes.

explanation:

un recipient conține 6,4 moli de gaz. gazul hidrogen reprezintă 25% din totalul kilometrilor din container. în cazul în care presiunea totală este de 1.24 atm ceea ce este

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