Los ríos han sido clave en el desarrollo de importantes culturas de la historia.

Journey stations were established throughout the mongol empire every miles.

Describe how gravity and convection work together to move the plates in the plate tectonics theory

Which sentences describes a cycle of dependency? a. aid harms the local economy creating the need for more aid.b. aid improves infrastructure and creates more wealth and more good infrastructure.c. aid programs become more reliable over time so people can depend on them.d. no answer is correct