Answer:
b.
Explanation:
Here's one well-known example of functional fixedness at work: You have two candles, numerous thumbtacks, and a box of matches. Using only these ...
do you mind to brainliest my answer
Answer:
vaccination
Explanation:
Louis Pasteur had been working to find a vaccine that would cure cholera in chickens. His lab assistant gave an older, weaker strain of the disease to the birds. When these birds did not die Pasteur began to rethink his ideas a came up with our current method of administering vaccinations.
1.discovery of iron
2.the use of iron weapons
Answer:
Anthony Johnson
Explanation:
While the question is quite broad, in documented history he was one of the first, while also being notable for under Virginia courts he was able to own and sell slaves.
