Answer: The answer is C.
Protective equipment is important because it keeps activities safe for the participants by reducing injury risk.
Explanation:  Protective equipment refers to equipment used for protection and safety. The equipment can be worn for protection. It can also mean protective clothing, helmets, gloves other equipment designed to protect the wearer from injury or the spread of infection or illness. The use of protective equipment is common in health care settings such as hospitals, doctor's offices and clinical labs.  It serves as a form of protection for the user and also reduces risk.
 
        
                    
             
        
        
        
Answer:
<em>B. Less people</em>
Explanation:
Finding a quiet place and studying there is important because it helps to focus as there is less distraction, due to lack of distraction a person studying at a quiet place is able to understand and remember more, one can easily get over with their studies quickly, and  prevents incorrect information from being remembered. 
So Sheri should find a quiet place where there are no people and it should be away from where her friends can find her, both crowd and friends are a big distraction for her.
 
        
                    
             
        
        
        
Answer:
Heimlich Maneuver to help them breath