One scientific technique determines the age of rocks by observing the 10 points undisturbed sequence of rocks deposited in layers, with the youngest
layer on top and the oldest on bottom. Which of the following does this
describe? *

A. Relative dating

B. Radioactive dating

C. The law of superposition

D. Earthquake location

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