Untreated meningitis can lead to coma and disabilities, such as deafness, speech impairment, brain damage, blindness and paralysis.
The one that is a feature of ancient Indus cities is :
B. Huge structures that served as temples
C. a large , central building the stored grain
Sanitation system only been popularized in the 1900s, so there is no way it exist in ancient Indus city
hope this helps
Back seat of any vehicle.