Frank is very interested in the ocean and all the things that live in it. he really wants to give a speech about this for his biology presentation assignment.

c. step-by-step directions

Explanation:

According to a different source, this is the complete question:

Frank is very interested in the ocean and all the things that live in it. He really wants to give a speech about this for his Biology presentation assignment.

Which of the following is not necessary to develop Frank's speech?

a. presentation aids

b. journalistic questions

c. step-by-step directions

d. sensory descriptions

The step that is not necessary for Frank to develop his presentation is that of step-by-step directions. Frank would benefit from using presentation aids and sensory descriptions because these would allow his audience to become more engaged and interested in the topic he is discussing. Journalistic questions would also be useful to Frank because these would allow him to guide his research.

answer; ///he could not explain why the continents drifted;