This organization makes the effort to inoculate the world's children to prevent many diseases.
a .world wide health
b. centers for disease control
c .world health organization
d .disease prevention center

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

bro where is your chart