Answer:
b. the marginal social benefit to exceed the marginal private cost of the last unit produced.
Explanation:
<u>Positive Externality-</u>
Positive Externality occurs when production or the consumption or of the good causes benefit to the third party.
For example, when the individual consume education in order to be uplifted and get a benefit but this education also benefits the society by uplifting the whole society.
<u>Positive externality causes the marginal social benefit to be greater than the marginal private benefit.</u>
The real answer to this question was B because they were trying to control fresh water and trade routes
<u>Answer:
</u>
One unfortunate result of the scientifically unsupported contention that vaccinations play a major role in the development of autism spectrum disorder is that in the first half of 2008, rates of measles cases in the United States doubled as compared to the rates observed between 2000 and 2007.
<u>Explanation:
</u>
- Though the contention was not supported with scientific findings and was only based on general observation, the results of the contention clearly exhibited that the vaccination has failed as there was an increase in cases with measles contraction.
- Merely for the fact that the contention lacks scientific support, it was not given enough emphasis and means and methods other than what the contention suggested were implemented to address the problem.
Steel and nickel is the answer of you're question
Answer: I think this is the fourth one that's my opinion :) hope this helps.
Explanation: