Identify 2 modern autocracies

Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

In upholding louisiana's separate car act, the supreme court claimed thatsegregation was not the same as discriminationthe fourteenth amendment did not apply to southern statesdiscrimination was necessary in order to maintain public ordero segregation was unconstitutional based on the fourteenth amendment

Which statement best describes how chemical equations demonstrate conservation of mass?