The <em>older violins</em> are more than one object, in this case its cannot be used, only their; <em>each violinist</em> could mean male or female, so it would be possible the use of his or her or their (applied for either),but there is only the latter option. The correct answer is their/their.
<em>The older violins no longer had their original parts, but each violinist played their instrument well.</em>
Answer:
add comma between cold and weak
Explanation:
They are both adjectives so a comma is needed.
1-unfeeling
2-easy to do
3-when snow covers the ground
4-a great person
5-weak and shaky
6-<span>someone who knows a lot of words
7-wild and noisy</span>