Transverse wave Can be reflected Infrared light Longitudinal wave hi Ocean wave Requires a medium Sound Speed dependent upon the medium they are traveling through Transfers energy.

b.   jim crow laws were enacted in northern states.

apartheid, (afrikaans: “apartness”) policy that governed relations between south africa's white minority and nonwhite majority and sanctioned racial segregation and political and economic discrimination against nonwhites. people should not get this wrong. i was just answering a question.