First one, third one, and fourth
Answer:
Katherine's opportunity cost is the cost of getting to the lecture event itself plus the reduction in her physics exam grade by not studying tonight. True
Explanation:
Opportunity cost is the cost of foregoing a benefit or incurring loss due to opting an alternative which is next beneficial . Here Katherine is losing in terms of grades in her exam to take the benefit of listening to the lecture , So loss to her grade is the opportunity cost of attending to the lecture and getting benefited.
The greeks had victory over
marathon
salamis
and Plataea in the 5th century BCE
1. D. Northern
2. A. True
3. D. The prime minister officially apologized on behalf of all Australians.
4. A. 2.5
5. A. European diseases
