Question

what is the main difference between a confined space and a restricted space?
a confined spaces are fully enclosed, restricted spaces are open at the top
b confined spaces have limited access, restricted spaces have open access
c confined spaces are more dangerous than restricted spaces
d confined spaces have atmospheric hazards, which are controlled in restricted spaces

Explanation:

A confined space is defined by limited access. Restricted spaces, while also having some limitations, do not have the same key characteristic of limited access as a primary defining feature.

Answer:

B. Confined spaces have limited access, restricted spaces have open access