<span>Disposable razor blades were invented in 1901 by Gillette.
Gillette is a company based in the United States, founded by King C. Gillette in 1901. He was an American businessman who saw the need for disposable razor blades, which is why he is considered the pioneer in the business.
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Answer:
The cotton gin was a very important technological adcance in the industrial revoulution because it significantly increased the coton production.
The telegraph improved comunications and started the era of information
Explanation:
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A. farmers are being sent to work in factories instead of their farms.
Answer:
C) Stratified sampling
Explanation:
Stratified sampling: This is one of the probability sampling technique in which the researcher tends to divides a particular population that is taken for the researcher purpose into various groups or strata, and after dividing the population, the researcher randomly finally selects the participants from those groups or strata and being analyzed later on. Further, the group is taken for study is through the random sampling technique.
Advantage:
1. It provides great precision.
2. The study group is small, hence cost-effective.
The place of his birth, name of his parents, number of siblings, possible education, descendants, etc.
Explanation:
- After his father's death in 1035, William succeeded the Duchy of Normandy when he was seven years old.
- He was then known as William II of Normandy.
- French King Henry I proclaimed him a knight, when he was 15 years old.
- With the help of King Henry of France, he broke the rebellion in Normandy in 1047.
- This provided him complete control of Normandy.
- He married Matilda in 1050, with whom he had six daughters and four sons.
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