Answer:
Security risk.
Explanation:
It is making your computer vulnerable to attacks and less secure.
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:
A. We still have evidence the universe is expanding as well
