Un niño compro globos, gasto 1/5 y luego 2/3 de su ahorro ¿que parte gasto y que parte le quedo?​

How does central place theory explain patterns in the size and distribution of cities?

Which statements are true about point and nonpoint source pollution? human activity causes point and nonpoint source pollution. only nonpoint source pollution affects abiotic factors in a watershed. point source pollution affects only the part of the lake or river near it. both point and nonpoint source pollution affect biotic factors in a watershed. point pollution flows through the bodies of water in a watershed but not through its land.

What are some topographical, geographical(human and physical), and cultural similarities and differences between north america and south america?