<span>Edward Jenner discovered a vaccination against [smallpox] by infecting a boy with [cowpox]. He noticed that milkmaids who got cowpox never got smallpox and developed his theory from there. He is the father of the study of immunity and immunisation.</span>
The first form of writing, that we know of, was on Oracle bones from the late Shang dynasty. The Oracle Bone Script was used from <span>1500 to 1000 BCE. It was written on both animal bones and turtle shells.
I hope this helps!</span>
The largest river in the world is the Amazon River, 4,345 miles in length located in South America.
That would most likely be True due to peer pressure, however, some people reject it and would leave this group of friends.
