none of them
Nuclear chemistry has changed medicine and made it more efficient. Radiation controls have been used to change the chemical properties of various aspects of the medicine industry.
It has changed because after world war two many people needed jobs. So many companies were made to give them the jobs and after a while the started to make money and the made a big depression.
they changed the world BC it made transport much faster.......
Penicillin
made it easier
he changed the world
they use medicine because people in this world get sick a lot and they need to get better so they use it
It changed the world of war and made the world a little more safe
They were part of the Allies, which meant they won. That made Canada better.
what are revolutionariesThings that changed the world that was man made even if made of nature materials.
· He made it so Canada would be a great country by showing its will in WWII· He led Canada to independence, and kept Canada together and during WWII,and changed Canada from British colony to a self controlled country.
Before contact with Europeans they made most of their medicine from plants and animals. They traded with other Aboriginal groups and that trade would have certainly included items used as medicine but most would be sourced locally.