4. Diseases caused by manufacturing materials
Headings and subheadings in a text are used to organize the text neatly, and to have the reader better understand what you are talking about.
Answer:
Planning for future expenses is the correct answer.
Explanation:
"<span>C. "I won't forget to feed the dog," Helen promised" is free from capitalization errors. Sentences (even if they're direct quotations from a character) need to begin with a capital letter. </span>