Answer:
》Planetary differentiation《
In planetary science, planetary differentiation is the process of separating out the different components within a planetary body as a consequence of their physical or chemical behavior (e.g. density and chemical affinities). The process of planetary differentiation is mediated by partial melting with heat from radioactive isotope decay and planetary accretion. Planetary differentiation has occurred on planets, dwarf planets, the asteroid 4 Vesta, and natural satellites (such as the Moon).
Answer:
A. Evolution
Explanation:
Human resources is the set of the people who make up the workforce of an organization, business sector, industry, or economy.
Birth is directly proportional to the human resources .
Death is inversely proportional to the human resources and same as Emigration.