Answer:
To organize the text and to make the text easier to read
We use subheadings to give readers a sense of what they are reading, not to make them think the work is legit, and not to introduce new information or point out important facts. We want readers to know what is coming, and what they are going to read so we don't waste their time
1.) Conduction 2.) Air mass 3.) Condensation 4.) Evaporation 5.) Convection 6.) oxygen 7.) Nitrogen 8.) carbon dioxide 9.) water vapor 10.) radiation
C
I could be wrong but that’s what I think!
Answer:
A
Explanation:
to summarize the events that his book will cover
sorry if its wrong it was my best guess :/