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.
Russia is the right answer I just did this not to long ago
Answer: Cerebrum. explanation: the cerebrum enables functions like vision, hearing, and other senses.
Answer:c
Explanation:Recording experimental procedures ensures that an investigation can be replicated by another scientist.
