প্রশ্ন সংশোধন করুন
প্রশ্ন:
Fill in the gap : Iodine deficiency is ---in the remote mountain regions, however, it is no longer ---in the lowlands where iodized salt is available.
Fill in the gap : Iodine deficiency is ---in the remote mountain regions, however, it is no longer ---in the lowlands where iodized salt is available.