Using headings, main ideas, and going into depth about the aruguements.
Answer: the history of aluminum foil
Explanation:
Theme is a main idea or an underlying meaning of a literary work, which may be stated directly or
indirectly.
<h3>What is a Theme?</h3>
Theme is the central or main idea in literature or literary work which can be pointed directly or indirectly. novels, stories, poems, and other literary works consist of one or more theme.
A theme can be revenge, love, hatred and so on.
Therefore, Theme is a main idea or an underlying meaning of a literary work, which may be stated directly or indirectly.
Learn more on Theme from the link below.
brainly.com/question/25336781.
