Scarcity affects economic behavior by: A. removing the incentives for companies to compete for profits.
B. pressuring people to make choices about how to use their
resources.
C. decreasing the opportunity cost of making risky economic
decisions.
D. giving the government more control over what products are
produced.

did u find the answer bc im on apex and i really need the answer

Explanation:

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: