Answer:
Gases and particles in Earth's atmosphere scatter sunlight in all directions. Blue light is scattered more than other colors because it travels as shorter, smaller waves. This is why we see a blue sky most of the time.
nylon 66 is made of two monomers each containing 6 carbon atoms, hexamethylenediamine and adipic acid.
write it down
Explanation:
6 b physical properties
7b melting point
8 boiling
