What is a central idea of "The Ornithopter"? Select the two correct answers.

A Artists should make beautiful paintings instead of weapons of war.

B Leonardo da Vinci was a creative genius.

C The duke's plan for the ornithopter conflicted with that of da Vinci's.

D Leonardo da Vinci's ideas about flight were ahead of their time.

answer is b,

"the tracer looks harmless in flight, but the pilot’s bitten lips and white knuckles suggest how dangerous it can be."

it was correct.

a more clear formatting of the question :

below are in-text citations for the first citation of a bible passage in the body of an essay. select the one that is completely correct.

a. (new international version, john 6: 14-15)

b. (niv john 6.14-15)

c. (new international version , john 6.14-15)

d. (john 6.14-15, new international version )

the correct answer would be c