In the u. s. and western europe, massive programs of sewage treatment plant construction in the early 20th century followed the gradual realization that discharging raw sewage into rivers often resulted in epidemic outbreaks of what 2 deadly bacterial diseases?

How can people get cancer? what types of cancer are there? plz i’ll mark u brainliest

How do psychologists their patients control feelings of anxiety?

The idea that some faces are inherently more attractive than others is supported by research demonstrating that people we like seem more attractive to us. people prefer averaged composite faces to individual faces. people from different cultures enhance their appearance in different ways. standards of beauty change over time.