2. which of the following was not an accomplishment of leonardo da vinci?\ngiant crossbow\nproportions of…

Brief Explanations:

Leonardo da Vinci designed a giant crossbow and studied the proportions of man. He also made contributions related to concepts that preceded the understanding of gravity - like his studies on motion. Plate tectonics is a modern - day scientific theory developed long after Leonardo's time.

Answer:

B. plate tectonics