Read this excerpt from a student’s expository essay about an historical event. Which cause would have produced an effect of redesigning the spacesuits worn by the astronauts to eliminate as much nylon as possible? The House report attributed the astronauts’ deaths to multiple issues, including a pure oxygen atmosphere, flammable materials, poor hatch design, and inadequate emergency preparedness. Pure oxygen atmosphere Poor hatch design Inadequate emergency preparedness Flammable materials