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Which of the following is a type of technology that can be used at a coal-burning power plant to remove both particulate matter and gases? bag filter catalytic converter cyclone electrostatic precipitator scrubber

What is an effective way to have children experience classic art? a. schedule a field trip to a museum. b. have children find art on their own. c. make sure that the children know all of the art vocabulary. d. ask children to copy a classic piece.

Who is the presiding officer of the senate whenever the vice-president is not present? speaker of the house attorney general secretary of state president pro tempore