3. what features made the parthenon one of the most beautiful temples in ancient greece?

Brief Explanations:

The Parthenon's beauty stemmed from its harmonious proportions based on the golden ratio, the Doric architectural order with its stately columns, elaborate sculptural decorations like the frieze depicting the Panathenaic procession, and its perfect placement on the Acropolis, creating a sense of grandeur and balance.

Answer:

Its harmonious proportions (using the golden ratio), Doric architectural order with stately columns, elaborate sculptural decorations (such as the frieze), and ideal placement on the Acropolis.