Which statement best describes geology? It is the study of Earth’s oceans. It is the study of Earth’s atmosphere. It is the study of the universe beyond Earth. It is the study of processes that shape Earth.

answer; /// i believe that the correct answer is (50%);

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.

blood enters the heart through two large veins, the inferior and superior vena cava, emptying oxygen-poor blood from the body into the right atrium of the heart. as the ventricle contracts, blood leaves the heart through the pulmonic valve, into the pulmonary artery and to the lungs where it is oxygenated.