Identify factors that affect the ratio when substances combine to form compounds

The law of constant proportions affects the ratio when two or more substances combine to form a new substance. The law of constant proportion, also known as Proust's law or the law of definite composition, states that a chemical compound will always have its component elements in a fixed proportion, regardless of the pathway undertaken to prepare that substance.

Most smaller stars don't have a radiative zone.

Tropical easterlies is mostly likely your answer correct me if i’m wrong