The Greek Alphabet | 800 BC

How did Greeks come in contact with the Phoenicians?
The phoenicians regularly traveled to greece and established trade agreements with them.
How was the Greek adaptation of the alphabet different from its predecessor?
The greek alphabet had vowels and additional letters.
Why is the Greek alphabet considered to be the world's first true alphabet?
It gave rise to many other alphabets including the latin alphabet.
Name several similarities and differences between the Greek and modern English alphabets?It has both consonants and vowels, the letters are made up of lines and they make words and sounds.