What is the purpose of central ideas in a text?(1 point) a. to define the topic b. to give additional information about the topic c. to provide an overview of the ideas in the text d. to explain the most important ideas in the text

a. to define the topic

Explanation:

The central idea of a text is the main idea that the author focuses on throughout the text and defines the topic.

For example, the title or topic of a book could be "the effects of video games on kids, effects, causes, and possible solutions". As a result of this, the reader invariably knows that the central idea of the book is video games, and this goes on to show how the central idea in a text helps to define the topic.

the following key ideas correctly express the key sentence.

restate key idea: most people can learn to swim in ten short lessons.

restate key idea: the majority of water-accident victims require mouth-to-mouth breathing.

restate key idea: an empty, tightly closed gallon jug will support a tired swimmer.  

restate key idea: first aid is to prevent accidents as well as assist in rescue.

explanation: the key idea needs to have the same topic as the key sentence (drowning and safety).

so you want me to do this crossword i’m good with crossword puzzles just don’t got the time yo, maybe later this week