take help from the ncert textbook solutions from meritnation.
-11
Ishika answered this
A) lack of clean and pure water.
B) lack of healthy and nutritious food.
C) weak immune system.
D) attacked by some virus.
8
Harshit Kumar answered this
Chu
-11
Diya answered this
First level cause: it is due to infection with a virus
Second level cause:drinking contaminated water or undernourished
Third level cause:poverty or lack of basic facilities
