Answer:
My Chemical Romance is the best
Explanation:
Answer - A. Engraving
Simple Explanation Reason - Why it was difficult is because of learning the technique. Since it was less common then Printmaking used with etching.
Credit Researched - Engraving - Wiki-Pedia
In broad terms, the writing process has three main parts: pre-writing, composing, and post-writing. These three parts can be further divided into 5 steps: (1) Planning; (2) Gathering/Organizing; (3) Composing/Drafting; (4) Revising/editing; and (5) Pro ofreading.
The answer is C because water can only specifically preserve water and food storage