Classify the following items based on the type of polymer they are made from: raincoats and leather shoes.

Talking listening and reacting non verbally are all part of communicating

Which scientific design has both practical limitations and limitations due to scale? studying the effect of bleach on the growth of mold spores exposing cultures of duckweed to different intensities of light observing the replication of dna molecules with a hand lens using colored marbles to model a cross between two colors of rabbits

In general, are there any major differences that you can see? explain