Question

Osteoporosis is a condition in which:
a the joints become stiff and painful
b the bones becomes infected
c the bones loss mass and become prone to fracture d a ligament is torn

Answer 1

A condition in which bones become weak and brittle. is what it is so I believe C seems the right choice

Answer 2

I believe the choice would be C (The bones loss mass and become prone to fracture)
Hope this helps!