I would say A. Because c and d r very dangerous if u think about it. And b is right in some situations. But if u do a then people can see whts going on if something happened because of the light. and it is safe. If wrong let me know. :D
Explanation:
Q2: To use, for example marijuana can help a lot with the body. Why do you think the government banned them? The uses are to modifiy someone or make someone powerful.
Helping out my church and helping out the people who are in need
C) A strain is an injury to either a muscle or tissue
I actually have that problem. I have 20/40 vision and my left eye is pretty much blind. I was prescribed glasses so that my sight in my left eye would not get worse. All to say, I would consider glasses to be necessary in this case. It definitely helps in every day life.
I hope this helps and have a great day!! :)