The part of the mind that tells you certain actions are right or wrong.

the study of human races ,Origins, societies and cultures.

An object that is a reminder of a person, place or event.

The study of the origin of words in the way in which their meanings have changed throughout history.

The scientific study of the history of the Earth, especially as recorded by rocks.

I'm very careful about what you're supposed to do;concerned with doing something correctly.

The study of the natural world based on facts learned through experiments and observations.

very good and interesting and worth remembering.

To do or create something that causes people to remember an important person, thing, or event