As explained in your textbook, a is a systematic series of actions that leads to a specific result or product. A. custom B. process C. function D. demonstration E. project

The correct option is B) process

Explanation:

In the English language, a process can be described as a particular array of actions which are to be undergone to achieve a certain goal.  For example, for solving a mathematical problem, a person will have to go through the process of many numerical solutions or actions. Hence, the correct option is B) process.

Other options like, option E, is not correct because a project is a given task on which a person or researching might be working. For accomplishing a project, the researcher will have to go through a series of processes.