What are the two things that determine how a planet orbits the Sun? velocity of planet and the gravity between Sun and planet
orbits of other planets and gravity between Sun and planet
gravity between planet and Sun and the velocity of the Sun
aphelion and perihelion of the elliptical orbit

it would be the percentage of food eaten by the flock

i remember doing this lab

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.

the answer to your question is tooth decay.