Heliocentric theory:

was initially rejected
was supported by galileo
stated that the earth rotated around the sun
all of the above
which one

Option D, All of the above

Explanation:

The heliocentric model was first proposed by Nicolaus Copernicus but since his findings were based on previous studies and researches,  his theory of heliocentric  model of universe was rejected in its early phase. However, later on Galileo supported the Copernicus theory when he visualized the universe through his telescope. As proposed and seen by Galileo , it was established that Heliocentric model is the correct model of Universe where all  planet including earth rotate around the sun.  

47

explanation:

ok

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.