Charles Towsend popularized a four-year crop rotation with rotations of wheat, barley, turnips, and clover. Before that farmers had use a 3 year crop rotation of rye or winter wheat in year one, followed by spring oats or barley in the second year, and followed by a third year of no crops.
A space.
an A.M radio
nothing, people died
sign was used in place of measurement.
Charles Darwin was not an inventor. He was a scientist that created the theory of evolution, which is one of the most accepted human creation ideas.
before planes were invented people used boats to travel and pigeons as messengers
Broom, dustpan and brush, were the main tools used before the invention of the vacuum cleaner.
Yes, gas & kerosene lamps were used exclusively before the invention of electricity.
Before paper money was the invention of dollar coins that they used for their own type of money
Just air and wind diamics
well they wrote on rocks or they used animal skin for paper
Before the electric drill, dentists used chisels, or manual drills.