Answer:
It is very important to raise the issue of gun control because there have been an enormous amount of violent acts and massacres caused by guns. Thirty-thousand people should not be killed every year due to the open use of guns. ... Gun deaths could be easily preventable with a few stricter regulations.
I think it's b? It would only be C if you caused the accident or if you were in the accident.
basically it awares the people about earthquake and have safety measures and precautions they need to take during the earthquake.
The one about the store uses the semicolon correctly.