What does uneven distribution of income mean?

THIS IS A GOOGLED ANSWER

Explanation:

Markets may result in a very wide distribution of income such that some individuals may receive no income at all. income are earned in a market when individuals sell or hire out their factor of production to others.

the answer should be arrogance & pride.

option d is correct. corroborated sources of historical evidence   is necessary to validate a claim about an event in history.

historians tend to use written sources, but audio and visual materials as well as artifacts are important objects that supply information to modern historians.

historical sources are usually divided into two categories: primary and secondary sources. depending on the historian's intent, some sources shift their designation. determining what type of sources toimplement, and the level of credibility and reliability of those sources, is a significant step in critical thinking for the historian.

explanation: