Rosa had been making pottery for several years. In her informative speech, she gave a presentation with the following main points:
I. The first step in making pottery is preparing the clay.
II. The second step in making pottery is shaping the clay.
III. The third step in making pottery is decorating and glazing the clay.
IV. The fourth step in making pottery is firing the finished product.

Her points were arranged in the following order:
a. ascending
b. process
c. chronological
d. descending
e. topical