The next morning, Anthony awoke to laughing and applauding, so he threw on some jeans and a T-shirt and hurried down the hallway, giving his father a quizzical look when he reached the kitchen doorway. What is the denotation of the word "quizzical"?

angry
difficult
confused
clever

1.comically quaint a quizzical old man

2 : mildly teasing or mocking a quizzical remark

3 : expressive of puzzlement, curiosity, or disbelief raised a quizzical eyebrow

the president was the speaker and it was a great part of history.

explanation:

video of the national aeronautic space administration's (nasa) coverage of president john f. kennedy’s address at rice university, houston, texas, concerning the nation's efforts in space exploration. in his speech the president discusses the necessity for the united states to become an international leader in space exploration and famously states, "we choose to go to the moon in this decade and do the other things, not because they are easy, but because they are hard."

the answer is industry