It should be a im pretty sure
Answer:
The climax
Explanation:
The climax is the tipping point before the falling action/s that lead to the climax being solved.
3D printing is incredibly resource efficient since the only material consumed is what passes under the laser (or through the extruder, etc.), whereas traditional manufacturing requires the use of extra materials (molds for injection molding, scraps for perforated sheet metal assembly, etc.)
I would say "D" I hope this helps you!
Summarizing is nice and simple. It gives a brief statement of the main points of something, story, article, poem, ect.