Write the Chemical formula of potassium Carbonate and Calculate its folmula unit mass. (Atomic mass of potassium =39 u, Atomic mass of carbon= 12 u, Atomic mass of oxyblgen =16 u.)

Complete the sentence. the lower the hydrogen ion concentration, the the ph. higher lower closer to 7 closer to 0

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

Nan element’s square on the periodic table, the number with the greatest numerical value represents the