aqualung
25% of the letters in human DNA are identical, the reason for this is that there are only four different letters
The symbols for elements have either one or two letters. If there are two letters, the first one is capitalized and the second one is not.
you have spaces for seven letters
The Indonesian island which has 4 letters is JAVA. Remember this :)
Three letters code for proteins which are called codons.
The cast of Letters - 1975 includes: Jacques Drapeau Dominique Giraldeau
Never
It is not really possible to say what year letters were invented. This is because it predates any historical records we have.
cavemen !!
Romans.
Sequoyah
Gutenburg first invented printing that used separate metal letters.
jonquil. Jacques
The typewriter was invented in the 1800s and printed letters.
We used letters.
Nobody 'invented' it... letters are often used in maths to signify an unknown quantity.
He invented the printing press with movable letters