<span>First, he should inform all the people who might be in the building to quit immediately.
 Since the content which was in the pipette is not known they vacate and let the investigation to be carried out.
 If the content is known, then the procedure on how to lean up the mess is carried out. After that people can go back to their normal duties.</span>
        
                    
             
        
        
        
Definitely 4 Play control environment temperature
        
                    
             
        
        
        
The reason they don't tan is because their melanocytes are inactive.
Hope this helps<3
        
             
        
        
        
Soft tissues are found throughout the body. There are many types of soft tissue, including fat, muscle, fibrous tissue, blood vessels, lymph vessels and nerves. Soft tissues surround, support and connect organs and other tissues in the body