The part of the word that can not be broken down is called root word. In the word claustrophobic ''phob'' is the root word. It can not be suffix as a suffix are added after the root word. It cannot be prefixed as it is added before the root word. Here the prefix would be ''claustro'' and suffix would be ''ic''. It cannot be affixed as it contains both suffix and prefix.
<span>In the word "claustrophobic", phob is the r</span>oot. The answer to your question is A. I hope that this is the answer that you were looking for and it has helped you.
she beamed X-rays through a molecule (X-ray crystallography) which gave a shadow picture by how the X-rays bounced off its component parts. this showed the double helix shape of dna
