20 pts sanitation standards are part of a state’s responsibility to protect a. public infrastructure. b. public health. c. public safety. d. public education. the answer is b.

is that it?

explanation:

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