What Makes Plastics, Rubber, and Fabrics So Flexible?

What is the function of a transformer?
What is the name for a type of error in which the null hypothesis is not rejected when it is actually false?
What is the name for the small subunit that makes up a polymer?
What is the pH scale used to measure?
What is the term for a substance that does not conduct electricity when dissolved in water?
What is the volume of a cylinder with radius 'r' and height 'h'?
What type of simple machine is a ramp?