Answer:
It stands for Restriction of Certain Hazardous Substances.
Web search says it is important because,
RoHS compliance dovetails into WEEE by reducing the amount of hazardous chemicals used in electronic manufacture. Put another way, RoHS regulates the hazardous substances used in electrical and electronic equipment, while WEEE regulates the disposal of this same equipment.
Explanation:
Movie tickets because you might not go to the same amount of movies every month
Answer:
Editing graphics
Explanation:
I looked it up (at least I was honest)
Row - horizontal
Column - vertical
Cell - where data and formulas can be entered
Worksheet - a grid of rows and columns