musical instruments...where would we be without music?
It is the 4 Great Inventions, they are the compass, gunpowder, paper, and printing.
Whatever info is important
This is an opinion question which has been argued over a lot. Some think it's the wheel, others say something medicinal.
The fact that in many places, water was a scarce resource. I most of these many places, there were farms that badly needed water. Therefore, irrigation comes into play and is very useful.
everybody is the most important inventor ever because we are all special.
oxygen is most important use is for breathing
The most important telephone fact is .......that a telephone is used to call people and secondly the telephone saves time by letting people talk with important businesses.
A key fact is just a very important fact. More important than most of the other facts.
It is very greasy
it is about the most important thing that you will ever witness in your life.
What ever language your parents speak. where ever you live.
trosposphere is the most important layer in the atmosphere
Most likely write something extremely important.
i would say their intelligence
Love
well, in truth and in fact the most challenging analysis i have ever undertake is life challenges.