Is pOH=4.3 an acid or a base

If the atomic mass of an atom is 34 and the atom contains 13 protons, how many neutrons does the atom contain?

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

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