Serious systemic fungal infections and parasitic infections usually only develop in individuals who are immunocompromised. These individuals have a weak immune system. The body cannot respond quickly to infections since their immunity is not very well developed.
        
             
        
        
        
Answer: During vigorous exercise your breathing rate increases in order to intake more oxygen
Explanation:  during vigorous exercise / activity the body needs more oxygen in order to produce energy so your breathing rate increases in order to reach the demand of more intake of oxygen , and your muscles work harder due to an increase in oxygen demand and how much oxygen the muscles take from the blood during vigorous exercises , BUT during rest we have normal rate of oxygen intake because your body is at rest at that moment .
HOPE THIS HELPS!!!!!!!!!!!!!!!!!!!!!!!!!
 
        
             
        
        
        
An exothermic chemical reaction is  change in the chemicals that can never be undone, an exothermic solution is a combination of chemicals 
        
             
        
        
        
Answer:
California
Explanation:
"California's most damaging earthquakes of the past 150 years, such as the 1906 “San Francisco” earthquake, have occurred on faults in the San Andreas fault system."