Answer: A. Table of contents.
Explanation:
The table of contents is a page that comes before the actual written work in the report. It gives direction to the reader as to what topics and subtopics are in the report. It maps out where exactly to find certain information by using page numbers.
The title page, executive summary, and appendix do not include all the information mentioned above although they are still important parts in a written body of work.
Answer:
because they are made of dead antibacteriol organism that are as a result of animal and plants decaying to form matter hence referred as composing layer
The language is traditional Chinese.