It's because the apostrophe takes place of the missing letter.
it is to it's
Answer: The material contain in this thesis is my own work and contains no material which has been accepted for the award of any other degree or diploma in any other university or institution. To the best of my knowledge, this thesis contains no material previously published or written by another person, except where due reference is made in the text.
Answer:
Your answer should be D: Panels
Explanation:
A triptych is a work of art (usually a panel painting) that is divided into three sections, or three carved panels that are hinged together and can be folded. Hope this helped :)
The answer is C because water can only specifically preserve water and food storage
