Question

______ is a group of rare diseases that cause abnormal growth of the body’s connective tissue.

Answer 1

Answer:  [A]:  "Scleroderma" .
___________________________________________________________
          Scleroderma   is a group of rare diseases that cause abnormal growth of the body’s connective tissue.
___________________________________________________________

Answer 2

A is the one 100%

scleroderma

a chronic hardening and contraction of the skin and connective tissue, either locally or throughout the body.