25 grams of NH4Cl is dissolved at 50 degrees C, how many additional grams NH4Cl would be needed to make the solution saturated at 80 degrees C

Pastoral farming is best described as a. a method of raising livestock and moving herds b. an african method of agriculture c. a method of cultivating crops on poor soils d. a common method of desert farming select the best answer from the choices provided a b c d