who has given the mastery learning model of teaching???

Answer: Benjamin Bloom
Question: who won the woman's olympic hockey game?

Answer: United States
Answer this question: where are the holes in the ozone layer located??

around Earth's polar regions
Q: who determines the offer price in a dutch auction?A: the auctioneer
Input: where do venus flytraps grow in north carolina?

Output: the coastal bogs
input: What is the answer to this question? who framed elsa in once upon a time?

output:
Snow Queen