Which natural polymer contains 3,000 or more glucose monomers?

Cellulose

Explanation:

Cellulose is a carbohydrate (made up of carbon and and hydrogen atoms). This is common component of cotton and wood. It is also a major component of plant cell walls Cellulose is a polymer that is composed of 3000 or more than 3000 glucose monomers linked together through β(1→4) D-linkage.

It is considered to be one of the most abundant polymers of organic nature on the earth.

Hope it help

the relative standard reduction potential of the half-cell in which reduction occurs; more positive than the other half-cell. reduction is a chemical process in which electrons are added to an atom or an ion; it always occurs accompanied by oxidation of the reducing agent.

2%? i tried finding the exact sorry if it's not 100% correct ; -;