Match the scenarios to the externalities that they create in the society.
positive externality and negative externality
reusing knowledge acquired through research and development
increased cost of health care for people living in a polluted area
training to enhance the skills of laborers working in the factory
dumping of the waste generated in landfills or burning them
designing the office premises to make it environment friendly
developing a new technology to reduce emission

The music of the baroque period is the first to be among the musical pieces that people today are generally familiar with

“well,” he says, “there’s excuse for picks and letting-on, in a case like this; if it warn’t so, i wouldn’t approve of it, nor i wouldn’t stand by and see the rules broke—because right is right, and wrong is wrong, and a body ain’t got no business doing wrong when he ain’t ignorant and knows better. it might answer for you to dig jim out with a pick, without any letting-on, because you don’t know no better; but it wouldn’t for me, because i do know better.” the meaning in this excerpt is

President eisenhowers foreign policy stressed peace, threatened massive retaliation for attacks and what