The atomic mass of potassium is 39. if its atomic number is 19, how many neutron are there

Based on the number of offspring they produce at one time organisms are classified into two categories many offspring at once and a few at a time sort the carry sticks based on the category they describe

Wich is not standing in the way of astronomers getting a good view of different star

While washing her hair olivia noticed that she was losing a lot of hair she visited a clinic and the physician reassured her that her hair would grow back how do you think olivias hair will grow back