Which substances are made up of polymers? DNA
a glass bottle
ice crystals
the proteins in hair
rubber car tires

Explanation:

The following are polymers

DNA : it is a polymer of nucleic acids

Protein in hair: it is a polymer of amino acids

rubber car tires: it is a polymer (it can be nylon or buna rubber etc)

ICE crystals : it is not a polymer,It is just a compound (water) in its solid phase

All these are made up of polymers.

> b takes place in the gas phase in an isothermal tubular reactor. the feed is one mole of a per one mole of c, an inert. the entering temperature and pressure are 427°c and 10 atm, respectively. the gas constant r = 0.08206 atm · l/mol · k.