When working in a fume hood, what is the best position of the hood sash?

Work with the fume hood sash in the lowest possible position no higher than 18 inches. Keep the sash clean and clear. The sash will act as a physical barrier in the event of an accident inside the fume hood.

the secretary of state, appointed by the president with the advice and consent of the senate, is the president's chief foreign affairs adviser. the secretary carries out the president's foreign policies through the state department and the foreign service of the united states.

d.

thist title points out that you are explaining the nature of the u.s. government. it is the most specific. a representative government consists of a government where decisions are taken according to a voting system. the most essential aspect of a representative government is found in the different structures where voting rights are granted to different groups of people. for example, voting for governor, mayor, president, local police chief etc.