The hydrological cycle is a conceptual model that describes
Options: the storage of water between biosphere, hydrosphere, atmosphere and lithosphere, the movement of water between biosphere, atmosphere, lithosphere and hydrosphere, both (a) and (b), None of the above
Benjamin Franklin was a prolific inventor. He invented the lightning rod, the Franklin stove, studied electricity, discovered the Gulf Stream, started the first library, and on and on. Among his many other inventions, what musical instrument did he invent?