Duccio and giotto were two artists whose innovations in greatly influenced renaissance painting styles. a. introducing a flat, decorative space b. creating figures and settings with an increased naturalism c. basing their works on religious traditions d. exploring classical subject matter

B. creating figures and settings with an increased naturalism

Explanation:

Duccio was a extraordinary painter born in Siena and Giotto was originally from Vicchio, both of them were born at the end of the 13th century. Both Duccio and Giotto belonged to the period that some historians refer to as the "Proto- Renaissance" period as far as art is concerned. These two artists deeply explored the psychological aspects in their works and this was reflected in the great naturalness they expressed in their paintings, the religious images of both artists also reflected and expressed with their strokes the personality and intelligence of those characters considered sacred in religion such is the case of angels.

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