Scientists have established that some of the layers of the earth are solid, some are liquid, and some are semi-fluid. explain how scientists determine the liquid and solid layers

Mention any one function of transparency international?

Why is the improved education of girls so important, especially with regard to economics and health? what are the leading causes of death among teenage girls in africa and how are they tied to education?

Acharreadas is a popular mexican thing where people display varying skills of horsemanship much like what events in the united states?