In your opinion, which new piece of technology was the most important during wwi?

it foreshadows the theme of the paragraph and hints the topic that will be discussed in the paragraph!

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