If air is contaminated with unwanted substances, it is said to be polluted. Which of these places would most likely to have polluted air? (a) Village
(b) Forest
(c) Industrial area
(d) Residential area

Four statements about the development of the atomic model are shown below. a: electrons have wavelike properties. b: atoms have small, negatively charged particles. c. the center of an atom is a small, dense nucleus. d: atoms are hard, indivisible spheres. which order of statements represents the historical development of the atomic model? c-d-a-b c-d-b-a d— в-а — с d-b-c-a