In this course, which of the following statements about lesson aims and objectives is correct? select one:
a. aims are the steps you take to achieving your objective
b. you can only have one aim, be it an overall aim or a secondary aim
c. an aim describes what the learners will be able to do with the language by the end of the lesson
d. an objective describes what the learners will be able to do with the language by the end of the lesson

In this course, "An objective describes what the learners will be able to do with the language by the end of the lesson" statement about lesson aims and objectives is correct.

Option D

Explanation:

Although they look similar in broader terms, aims and objectives are different in a much more narrow narrative. Record one’s aim or last lesson goal in the specified schedule. Whereas, objectives are smaller steps that one need to follow to reach your main goal.

Divide one’s goal into small steps that will lead them and the students to their final goal. Hence, record these objectives or "learning results" according to one’s aim. Aims can be measured, whereas objectives cannot be measured.

a factory opens that mass-produces light bulbs.

explanation:

not sure if that's an answer to your questions but this is an example! : )

taking a bath requires the most water out of the given options because it takes a significant amount of water in order to fill a bathtub.