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Where were windmills and watermills first developed?
The Greek inventor, Hero of Alexandria, invented a wind machine that powered an organ in the First Century CE. Windmills for grinding grain and pumping water were in use in Eastern Persia (now Iraq) in the Ninth Century. Watermills were in use in Ancient Greece in the Third Century BCE.
What determines the century?
The calendar in use.
What century was 1215 in?
To get the century, just use the next number up. So the 12-hundreds would be the 13th century.
Who was the first to use a windmill?
in the 17th century
What time frame were the medieval times?
410 AD to 1400. ----- The dates most commonly given by historians for the Middle Ages are 476 to 1453. Many historians point out that these dates are too precise, as they give the impression that things changed for people in those years, and so some historians simply use 5th century to 15th century.
When was the video camera available for use?
In last century
How have land and resource use changed over the past century?
by being cool lol
How has a veterinarian's career changed in the last five years?
Maybe the way they use to look at the animals or maybe its the way the office is arranged that has changed since you last bought your pet to your veterinarian's office.
Where did the Roman symbol for v come from?
From the Etruscans but they changed the numbers. The Roman system came into use in the 4th Century, but the symbols that we learn weren't introduced until the 1st Century.
What did they use for eyedrops in the 18th century?
Most likey just plain water
Use a word discoveries in a sentnce?
The discoveries of the last century have led us to the society that we have today.
Why is your fish lethargic after a water change?
It depends: Maybe you haven't changed the water in a while and your fish isn't use to th new clean environment, maybe you changed too much water, or the fish is uncomfortable.
Ph down for fish aquarium?
Most likely you have high Nitrates, which will lower your pH, or you just changed water, and used water that you don't usually use, or you added something that changed it.
Do you have a legal right to use your boyfriends last name?
No. But you can change your name legally to just about anything, including his last name. NO NO, unless you have had your name legally changed.
Who actually changed the calendar?
The calendar has been changed a number of times. Julius Ceasar introduced calendar reforms in ancient Rome that were still in use by some countries (notably Russia) in the 20th century. The m
How do you find out which century a year is in?
If the last two digits are not both zeroes, then you cover up the last two numbers then to the remaining number you add one. Example the year 1679 would be in the 17th century. If they are both zeroes, then just cover up the last two digits and use the digits you see. Example the year 1600 would be in the 16th century.
What was Jesus's mother Mary's last name?
Last names did not come into use until the 13th century after Christ, and were not common until the 17th century. Our Blessed Lady was born in the first century Before Christ - many centuries before last names came into existence, in other words, she had none, but would have been known as Mary, Daughter of Anne and Joachim.
