CITY GIRLS OR COUNTRY GIRLS I used to be a country girl but I have lived in the city for so long I think I'm a city girl now

What does the process of natural selection involve

Idon’t know how to solve this question

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.