Pleaseee hellp mee i need to answerr this correctlyy

According to the internet Ramadan traditionally begins with the first sighting of the crescent moon, which would then mean that the start of the holy

answer; ///(b) it is composed of four protein chains and four heme groups;

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.