Greeks offered most aspects of civilization to the world. They first of all offered Logic (see Aristotle and his monumental masterpieve "Το Όργανον") and Philosophy. Most modern philosophical currents are based either on Plato or Aristotle. A non-complete list of things Greeks have offered to the world includes geometry (see Euclid), medicine (see Hippokratis), theatre (see Aesclylus), mathematics (see Thales), astronomy (see Aristarhos), language (all languages are based on Greek - see relative articles for Greek words existing by the thousands in all modern languages), music (see the Pythagorean system of numbers-in-music), democracy (see Pericles).
ANSWER 1: a crap economy
ANSWER 2: don't listen to the idiot who wrote the first answer
well some contributions, to name a few, are:
Those are all i can name "off the bat" if you know what i mean, but i am sure there are more. just Yahoo it (since a recent study just a year ago shows that yahoo has more accurate results than Google, yet i still doubt that study)
Some of Persia's contribution to the modern world is the concept of human rights, Algebra, fundamental inputs to mathematics, geometry and medicine and the first domestic mailing service. Persia is now known as Iran.
football and basketball
Some of the modern day allusions that the Greek god Zeus relates to an elderly man with with beards.
The link below has some nice ones in both ancient and modern Greek.
There are no modern goddesses of Greek mythology, it is mythology that dates back to ancient Greece.
See some below
Athena Diagnostics
science
well two of them is greek philosophy and the olympic games
There are many people in the world who are recognized for their contributions. Some people however are not recognized at all.
Yes, Greek is an Indo-European language, belonging to the Hellenic branch of the Indo-European language family.
Jupiter is the Roman God; mainly incest to the modern mind.