Question

What is preface and acknowledgement and bibliography?

Answer 1

preface is written by author to describe his hard work about the project
acknowledgement is to give details about the topics present in the project or book
in bibliography we mention that from where we have taken all the matter for our project

Answer 2

HI!
PREFACE - preface is the introduction or short summary of your project
BIBLIOGRAPHY- IT IS THE SPACE WHERE YOU TELL ABOUT  THE INFO OF YOUR PROJECT FROM WHERE YOU COLLECTED IT
ACKNOWLEDGEMENT - IT REFERS TO THE PERSON WHO HELPED YOU IN THE PROJECT TO COMPLETE IT