the answer to your question should be 4.Allergens
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Answer:
Physical activity helps prevent chronic illness, which reduces the need for medical treatment.
Explanation:
 
        
             
        
        
        
Ultraviolet (UV) radiation from the sun is the number one cause of skin cancer, but UV light from tanning beds is just as harmful. Exposure to sunlight during the winter months puts you at the same risk as exposure during the summertime. Cumulative sun exposure causes mainly basal cell and squamous cell skin cancer, while episodes of severe blistering sunburns, usually before age 18, can cause melanoma later in life. Other less common causes are repeated X-ray exposure, scars from burns or disease, and occupational exposure to certain chemicals.
 
        
                    
             
        
        
        
Most of these mutations change single amino acids in p53<span>. The altered protein cannot bind to DNA, </span>preventing<span> it from effectively regulating </span>cell<span> growth and division. As a result, DNA damage accumulates in </span>cells<span>, which can allow them to grow and divide in an uncontrolled way to form a cancerous tumor.</span>
        
             
        
        
        
Answer:
D. The length of time spent in treatment is the single best predictor of a successful outcome
Explanation:
The success of a treatment is correlated to the length of the treatment period, which is the time spent in treatment
The longer the episode of treatment the increases in the probability of a successful outcome, than the outcome probability obtained in a short period or length of treatment time.
The quality of the treatment program and the candidate motivation are usually related to the retention rates of candidates in a program.