Que.21
 

Ques21)  ​Suman was not looking happy and was unable to focus on her studies. Her freind Reena observed the same and enquired Suman.  Suman told Reena that her younger sister is not keeping good health. Her neck was swollen. The reason came to light, Suman family was not taking iodised salt in their diet. Reena suggested certain measures and insisted that Suman's sister must see the doctor immediately.

Read the above passage and answer the following questions:

a) What is the name of the disease from which Suman's sister was suffering

b) Name the element whose isotope is used in the treatment of this disease?

c) What are the values shown by Reena?