Would it not be c, electrical
        
             
        
        
        
Answer:
water is positively charged
 
        
                    
             
        
        
        
The answer is
Alzheimer's disease. The most feared psychological problem among the elderly is
Alzheimer's
disease.  Alzheimer's is named for the
first person to identify the disease.  It
is a brain disease while stroke is a brain injury, less than 5% is likely to be
suffering some form of dementia. 
 
        
             
        
        
        
Answer and Explanation:
Most young roots have two main regions. An outer cortex and a central cylinder containing the vascular bundles.
The endodermis also referred to as starch sheath. Its cells have a casparian strip which is made up of an impervious waxy deposit on the radial and cross walls. It controls entry of water and dissolved salts into the vascular bundle.