Some years ago, chemists at 3m corporation were trying to create a super-strong glue. somehow they got their molecules twisted and came up with one of the weakest glues ever made. but, rather than pouring it down the drain, they tried coating some paper with it, and the "post-it note" was born. in this case, 3m was acting as 1) utility. 2) rationer. 3) entrepreneur.4) abstraction

an entrepreneur

Explanation: An entrepreneur refers to a person  who have an extensive knowledge about the industry that is enough to grab the opportunities that arise. These are the people that are smart enough to do every activity in a different way which is better and smarter.

In the given case, even after the failure of the initial objective of the process the company used the failed research for their advantage. This was possible because they had knowledge about the industry and the needs of the consumers.

Hence from the above we can conclude that the correct answer is entrepreneur.

the first successful, urban blues recording, selling more than 75,000 copies, was made in year 1920.

mamie smith recorded the first commercially successful example of the urban blues,   with the recording of “crazy blues”."crazy blues" was recorded on august 10, 1920, in new york city. within a month of the release of “crazy blues” it had sold 75,000 copies.

um sure