Question

read the events that led to art frys creation of temporarily permanent bookmarks described in the evolution of useful things.

1. fry spent nearly a year and a half experimenting.
2. frys idea was accepted as being commercially viable.
3. spencer silver came upon a curious adhesive that he demonstrated to fry.
4. fry reflected on the failure of bookmarks to do all that might be expected of them.

which is the correct order of the events?
○ 1, 2, 3, 4
○ 2, 4, 3, 1
○ 3, 4, 1, 2
○ 4, 2, 1, 3

Explanation:

First, Silver came up with the adhesive (3). Then Fry thought about bookmark failures (4). After that, Fry experimented (1). Finally, the idea was accepted (2).

Answer:

3, 4, 1, 2