The defining abiotic factor of deserts is "A) the amount of rainfall" which is relatively very little in deserts. Desert climates can be found almost everywhere in the world. 
        
             
        
        
        
Jet streams-Are fast flowing, narrow air currents found in the atmospheres of some planets, including earth.
Global wind belts-Are formed by 2 main factors which is the unequal heating of the earth by sunlight and the earths spin.
        
             
        
        
        
Blood clots will do this.  Cutting off blood flow while also increasing blood pressure.  Also, if the viscosity (thickness of the blood) is thick which will slow down the flow and cause the body to use more effort to pump blood. 
 
        
             
        
        
        
Answer:
A cell whose genetic material isn't found in a membrane bound nucleus. 
Explanation:
 
        
             
        
        
        
Hazardous substances are dangerous substances while toxins are poisonous substances. Hazardous substances may cause harm to an individuals health; they include acute toxins such as cyanide; substances harmful after repeated or prolonged exposure such as mercury and silica, among others. Toxic substances can be poisonous or cause health effects.