Which line from "my first memory (of librarians)" is an implicit detail that shows how the speaker felt about the library? a line of green shades—bankers' lights—down the center in the foyer up four steps a semicircular desk presided on the right newspapers draped over what looked like a quilt rack all those books—another world—just waiting

The answer is: All those books—another world—just waiting

In the line from the poem Nikki Giovanni's "My First Memory (of Librarians)," the speaker expresses her impression of the library. In that respect, she felt excited to read and learn about new places and things. Finally, she also suggests that the library is a spot where she can let her imagination go wild and travel to other spheres as she reads.

the economic activity signified in that scenario is a. production

in general, market production makes reference to the elaboration of a product or service which is destinated for economic purposes (to be sold) at money-price in a market. such product or service has to be principally tradable for money.

there is no money exchange involved in distribution, generalized reciprocity or balanced reciprocity.