Stellar evolution is the process of planetary formation the life cycle of a star how comets form

Which of the following factors is not used to measure a country’s standard of living? a.) life expectancy b.)educational levels c.)divorce rates d.) gross income

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

The creation of the trans-siberian railway allowed people to travel across russia. how could this railway impact russian culture?