What definition BEST describes a watershed? Select one:

A: Consists only of rivers, lakes, and streams

B: Area that collects precipitation and drains it to the lowest point

C: All of the rain water of a specific area

D: Place where all water is stored underground

The  grandmother cell  is a hypothetical  neuronthat represents a complex but specific concept or object.[1]  it activates when a person "sees, hears, or otherwise sensibly discriminates"[2]  a specific entity, such as his or her grandmother. the term was in use at least as early as 1966 amongst staff and students in the department of experimental psychology, university of cambridge, england. a similar concept, that of the  gnostic neuron, was proposed two years later