Which came first the chicken or the egg

chicken because it creates the egg which people later found out was edible

the chicken came first, because without the chicken the egg wouldnt be made.

#2 the answer is d

#3 the answer is a

#4 the answer is b

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