Answer:
His findings led to the widespread use of antiseptics such as phenol.
Explanation:
Joseph Lister was a British surgeon. He is not known for being a great doctor, or for having an impeccable surgical technique, but for discovering that the use of antiseptics before and after surgery could save many people's lives. He was a great bacteriologist and knew that bacterial infections were serious, but that they could be prevented with the use of antiseptics. After their discoveries, antiseptics became very popular, among them phenol, which was one of the first to be commercialized and used.
Collective learning is the ability to learn and transfer knowledge to others, but it is also the ability to use other people to help learn certain material.
France first attempted to build the canal in the 1870s. He left quite a few diseases and financial problems behind. Ferdinand de Lessups was the engineer who designed the Suez Canal.
The answer is b african slave merchants
