The correct answer is a,b and c.
a) its core becomes a white dwarf.
b) its outer layers form a nebula , or vast cloud of gas and dust.
c)its outer layers expand , and the star becomes a red giant.
Geographic/geography affect the civilization in many ways. And example is climate, the climate controls how your crops can grow.
A plateau is an area of relatively level high ground and a plain is a large area of flat land with few trees.
una ubicación determinada por la longitud y la latitud.
