Multi-choice problem: Continue writing the next sentence in this paragraph:

How to make silver nitrate 
Wear proper protective equipment. 
The chemicals necessary for this process are highly toxic and can lead to injury if not handled properly. Eye protection, gloves, and a lab coat are necessary to remain safe.

pick from the following.
(1). You should also wear long, loose sleeves or long pants to protect yourself from these hazardous chemicals. Be sure you wear good quality work clothes.
(2). Long pants and closed-toe shoes, preferably without mesh, should be worn to protect against floor spills. Eye protection should completely cover your eyes and the sides of your eyes to protect from splashes.
(3). Your lab coat can protect your skin and prevent pollution while working. Ask your local hazardous waste management company to provide you with an appropriate safety gear.
(4). Wear full, protective safety gear as well to get the job done effectively. Choose a location for your lab lab.
(2).