What is “clean coal”?
a.
coal that is mined underground with minimum impact on the surface environment
b.
coal that is burned with technology that cuts the amount of soot and sulfur dioxide emitted
c.
coal mined in certain regions of the country from veins that are free from impurities
d.
coal that is first washed and purified before being shipped for use in power plants

During andrew johnson’s presidency, the radical republicans gained control over policymaking in congress. they had enough power to override any presidential veto. how did the radical republicans use this opportunity? a. they blocked johnson’s weak reconstruction policies by taking charge of the reconstruction plan. b. they extended their support to johnson’s policies for reconstruction of the south. c. they removed johnson from office and took over the task of reconstructing the south. d. they removed all former confederates from office and stopped the south from rejoining the union.