Question

an auschwitz survivor remembers - what does irving roth have on his arm? - at 85, why does roth continue to travel and talk about the holocaust?

Explanation:

1. Irving Roth, an Auschwitz survivor, has a Nazi-issued concentration camp tattoo (a serial number) on his arm. This was a dehumanizing practice used by the Nazis to identify prisoners.
2. At 85, Roth continues to travel and speak about the Holocaust to bear witness to the atrocities, ensure the stories of victims are not forgotten, educate future generations about the dangers of antisemitism and prejudice, and prevent such a genocide from happening again.

Answer:

1. Irving Roth has a Nazi concentration camp identification tattoo (serial number) on his arm.
2. He travels and speaks about the Holocaust to bear witness, preserve the memory of victims, educate against hate, and prevent future genocides.