a student is examining a current a map of the world which question might the student ask about the map if she wants to focus on an Economic historical theme

land settlers

hope this

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