How Do We Know That All Indo-European Languages Have a Common

question 8

Short Answer

How do we know that all Indo-European languages have a common ancestor?

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Definitions:

Slash-And-Burn Agriculture

A type of agriculture in which tropical rain forest is cut down, allowed to dry, and burned. The crops that are planted immediately afterward thrive because the ashes provide nutrients; in a few years, however, the soil is depleted and the land must be abandoned.

Greenhouse Gas

Gases in Earth's atmosphere that trap heat, such as carbon dioxide, methane, and nitrous oxide, contributing to global warming.

Action Research

A participatory process that combines action and research to solve problems and generate knowledge.

Participant Observation

A research method used primarily in qualitative research where the researcher immerses themselves in the environment of their subjects, observing and sometimes participating in their activities to gather data from an insider's perspective.