In this task, you are given a question and an answer, you would be asked to create the sentence based on the Question-Answer provided. It should be contained within the Question-Answer provided.

Question: What is the name of film that polyester fibers form? Answer: mylar
The name of film that polyester fibers form is mylar.

Question: Loss of energy is the reason that what typically has few levels? Answer: food chain
Loss of energy is the reason that food chain typically has few levels.

Question: Which law explains why a ship weighing thousands of metric tons floats on water? Answer: archimedes' law

Archimedes' law explains why a ship weighing thousands of metric tons floats on water.