Final answer:
Elie Wiesel helped his father during the selections in the camps by trying to ensure they both appeared fit for work, which included maintaining health and avoiding negative attention from guards.
Step-by-step explanation:
When the selection was made in the concentration camps, Elie Wiesel, as depicted in his memoir, Night, helped his father by doing everything in his power to ensure they stayed together and survived. While the information provided doesn’t explicitly address how Elie helped his father during the selection, within the context of Elie Wiesel’s experiences, Elie and his father faced direct mortal threat in these selections. Elie's strategies for keeping his father safe often included making sure they appeared fit for work, maintaining their health as much as possible, and avoiding attracting negative attention from the guards. Giving his father extra food rations or tips on how to appear healthier and stronger during selections would have been practical survival tactics employed in such dire circumstances.