Answer: • AD and BC are the two most commonly used to mark dates
• The AD and BC system makes it easier for historians to consistently document and study historical events
• Chronology means arranging events in the order in which they occurred
• A timeline is a line, chart, or graph that shows a series of chronology events
•Timeline and chronology help to compare the development of different events in relation to one another
Explanation:
C. Opportunity cost
This is the opportuntiy that they lost. it costed them. Thus, opportunity cost for another opportunity.
Answer:
The answer is The Philippines.
C is the correct answer.
Many of Europe's most famous Universities started as Church schools. Monasteries were the centers of learning in the Middle Ages and the repositories of books and knowledges. Monks worked to copy books before printing presses and young scholars learned theology.
