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This 1858 invention became necessary after the 1810 invention of the tin can?
The tin can opener was invented in 1858. This was necessary after the invention of the tin can 48 years earlier, in 1810.
What is the greatest invention in the last 100 years?
toothpaste
What has been the best invention of the last 25 years?
me
How long does a patent give an inventor exclusive rights to an invention?
4 years but you have to go through court to get a legal document saying you have 4 years to create this invention
What is considered to be the greatest invention of the last 20 years?
The Internet
What is the German Shepherd population for the past 40 years?
It has changed drastically throughout the years so an estimate is impossible.
How has the gas price changed in the past ten years in the us?
Gas prices have increased drastically
How has nursing changed over the years?
Nursing has changed drastically over the years. Nurses now are required to have more education and perform many more tasks than in the past.
How has the cotton gin invention changed over the years?
it is now electronic
How printers changed over the last three to five years?
Printers have definitely drastically changed in the past 3 to 5 years. Printers are now much more precise and print higher quality pictures.
Which city in Australia has the most people?
AnswerPerthAnswerSurely Sydney has the greatest population, unless things have changed drastically in the past few years.
Changes in transport over the years?
it has changed drastically the price of cars has shot up and are now the most expensive things ever
How has modern communication changed peoples lives in the last 20 years?
because...
What is considered to be the greatest invention of the last five years?
Iphone 4(s) it changed everything again . Atte: tavo.
How has the primary sector secondary sector and the tertiary sector changed in the last ten years?
it has changed because jobs that never used to be here are now very important jobs it has moved on drastically and is a good difference.
How has the telephone changed society over the years?
we can learn from the invention for other things, and it helped us communicate with others in a faster way.
What difficulties are there in deciding the meaning of the words of the constitution?
Some of the difficulties in deciding the meaning of some of the constitution is because of the time it was written. Language has changed drastically over the years.
