Henry bessemer is known for what invention?

a. a general-purpose steam engine
b. blast furnace for steel production
c. the printing press
d. the cotton gin

the answer is a, salt plain

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

these civilizations were located around fertile rivers, where they could produce an abundance of crops

they are best known for the cliff pueblos found throughout arizona, new mexico, colorado and utah. and for their development of desert farming.

hope i

-lavira: )