1.1. In ea of the following, indicate whi of the four essential economic activities is taking place, and in whi sphere.

a. Ms. Katar, an executive at Acme Manufacturing, directs the cleanup of one of the company’s old industrial waste dump sites.

b. Mr. Ridge plants a garden in his yard.

c. Ms. Fuller hands an unemployed worker a bag of groceries at a local food pantry.

d. Private Hernandez, a recent recruit, eats lun at an army base.