The Scientific Method is a method made by science
Do you mean legal to be taught in schools? Evolution has been the accepted theory as to the origin of 'complex' life for around 150 years. I'm not sure when it became legal to be taught in schools. Probably around the same time the scientific community accepted it.
aboujt 199 years
There is no simple answer to that question. Electricity, in the scientific sense, has been around for as long as we know. It was chronicled in Europe over 4000 years ago. Down through the centuries the study of electricity has been carried on by people all over the world, especially in that last 400 years. Amongst these are many European scientists and inventors.
The scientific time scale is also called the Geologic time scale. It has been created to describe the order of major events on Earth for the last 4.5 billion years.
The scientific name of the domestic shark is Selachimorpha. Sharks have been around for about 420 million years and have a cartilaginous skeleton.
According to the scientific consensus Earth has been in existence for approximately 4.5 billion years. This is in contradiction with the view many religious people have. They hold the view that Earth is around 6000 years old.
The Alps are a large mountain range stretching across a big part of Europe. They have been around for hundreds of thousands of years. There is scientific evidence showing they were visited by early humans as much as 50,000 years ago.
it has been around for many years.
its been around 500 years
The Scientific Method is a method made by science
No one person has been given credit for inventing input devices. These have changed over the years, but have always been necessary for getting information into computers.
Board Games have been around for millions of years (BC years)
It has been around for, til B.C. years. so for a long time.
macys has been around for 150 years
The Cnadiam flag has been around for years
Presidents have been around for 204 years