Protons neutrons. which statement is accurate for these two sub-atomic particles

An earthquake’s epicenter can be determined from arrival time data recorded on a(

Given: circle a externally tangent to circle b. how many possible common tangents to circles a and b can exist? 2 3 4

Which movement developed in the early 1900s and encouraged the nationalist spirit of africans throughout the world? a. african nationalist b. tribalism c. pan-africanism d. african union