Final answer:
The history-related terms being used correctly are 1492 A.D. and 2500 B.C.
Step-by-step explanation:
The history-related terms that are being used correctly in the options are:
- 1492 A.D.
- 2500 B.C.
Option 1 represents the year 1492 in the Anno Domini (A.D.) system, which is commonly used to denote historical years. Option 2 represents the year 2500 before Christ (B.C.), which is used to denote years that occurred prior to the birth of Jesus Christ.
Option 3, A.D. 946, is incorrect because it places the 'A.D.' after the year, which is not the correct format. Option 4, 1812 C.E., is incorrect because it uses the Common Era (C.E.) system instead of the Anno Domini (A.D.) system.
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