Final answer:
Mark Watney, the protagonist of 'The Martian' by Andy Weir, repairs his space helmet with duct tape to prevent oxygen depletion.
Step-by-step explanation:
The question appears to be related to the novel "The Martian" by Andy Weir, referring to the protagonist Mark Watney. In the novel, Mark repairs his space helmet with duct tape after it gets damaged. Since the book is a work of fiction, the science behind the repair may not be entirely accurate, but it serves the purpose of the plot. This scenario reflects the character's resourcefulness and the critical role that problem-solving skills play in survival situations, specifically in the isolated environment of Mars.