Answer:
This is confusing
but if you still need help, you can search it online
Explanation:
Polyester and polyamide would be two synthetic polymers, created by condensation reaction.
The Big Bang is a scientific theory about how the universe started, and then made the stars and galaxies we see today. ... Then about 13.8 billion years ago, space expanded very quickly (thus the name "Big Bang"). This started the formation of atoms, which eventually led to the formation of stars and galaxies.