Who is the chief administrator of the federal bureaucracy? answers?

The president is the chief administrator of the federal bureaucracy .

the answer here would be

aug 15, 2012 - although van leeuwenhoek was not the inventor of the microscope, he advanced it more he loved to grind and focus a new lens in order to see the unseen world. most of leeuwenhoek's microscopes were silver. in a simple but significant experiment (1668), he demonstrated that worms found on