What do we call the language formed when speakers in a multilingual context use a simplified form of one language (often a colonial language) as a common language across a region or group?

What do we call the ancient language from which all the members of a particular language family are derived?

What do we call the practice of keeping particular forms of speech separate in one’s life, using one in one setting (with friends or peers) and another in another setting (in the classroom or on the j

What do we call the system by which some languages or dialects have ranked political, economic, and social status?

What do we call the Mesolithic culture living in the lands that are now Israel, Lebanon, and western Syria, between about 10,200 and 12,500 years ago?

What do we call the creation, invention, or discovery by chance of a completely new idea, method, or device?

What do we call a natal man who dressed as a woman, or a man born with ambiguous genitals?

What do we call the period when humans first started to learn to plant crops and domesticate animals for their food, instead of hunting and gathering?

What do we call axes and adzes were needed for new technologies in post glacial world, many tools were made with microlithis?

Who attempted to classify homo sapiens in subspecies based on looks, geography, body size, head size, hair textures, and features?