The Partido Encuentro Social ( PES) has dominated Mexican politics since 1917 *
True
False

d. it adversely affected american productivity

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

can someone just answer this