Why did he wear safety glasses?

Here are the top five reasons why you need to wear safety glasses. Safety glasses can prevent foreign objects that are floating around from damaging your vision. Dangerous particles or chemicals could be floating around in your workplace. Some jobs that are at a high risk include construction, maintenance, welding, plumbing, and mining.

Explanation:

to keep you protect from dust or anything that can damage his eye

c. live where it’s cold and icy

a unit of heredity that is transferred from a parent to offspring and is held to determine some characteristic of the offspring.