What is the most important piece of safety equipment when exercising/playing sports? a) shoulder pads b) knee pads c) mouth guard d) helmet

D. Helmet.

Reasoning: You'll be more likely to survive and heal from shoulder, knee, and mouth damages. While head or brain damage is common and common for death.

answer; /// the correct answer to the above question is a hospital is responsible for all area (250 feet) around the main building and around areas where inpatient services are provided

which ever one is showing doing the same exercise in time intervals such as 30 seconds or a minute several times.