1. Puck signs a check "pay to the order of Quik Mart" drawn on Puck's account in Regional Bank. Puck shows the check to Silky, who agrees that the signature is Puck's and that Quik Mart is owed the amount that the check represents. Quik Mart signs the back of the check. Liability on this check extends

2. How could a “garage inventor,” working on her own, protect a patentable invention while yet demonstrating it to a large company that could bring the invention to market?

3. Best way to describe causal reasoning, its importance in critical thinking, and some of the difficulties in establishing causality.