Harvey Littleton revived the art of glassmaking in the twentieth century __________ movement

Which pair of composers wrote for a large virtuoso orchestra?

A) Felix Mendelssohn and Joseph Haydn B) Joseph Haydn and Ludwig van Beethoven C) Richard Strauss and Gustav Mahler D) Antonio Vivaldi and Johann Sebastian Bach

In Leonardo da Vinci's design for a flying machine he used a ________ wing as his inspiration.

Fill in the blank(s) with the appropriate word(s).