Answer: Externalities are side effects (good or bad) that occur when a person or a company performs an activity and does not assume all the costs of it, or all the benefits that could be reported. In this way we can distinguish:
Negative externality: Arises when not all the costs of a negative effects are assumed. In these cases, a social cost is generated, since it is the whole society that suffers the consequences of its actions. And the market price does not collect this cost.
Positive externality: Arises from a positive effect that is not reported as a benefit. An example of positive externality that we can mention is scientific research, from which society in general benefits. In these cases, market place do not reflect the real benefits.
Answer:
Animal skins provided thermal protection and prevented water from penetrating and wetting the interior of the home.
Explanation:
The paleo Indians lived in the paleolithic period, which was a period where the climate was very cold and difficult to survive.
Within this environment, the paleo Indians were a nomadic people, building simple residences, but very well adapted to the climate in which they were subjected. Their houses, generally, were of round shape, being structured by sticks that were covered by bushes and animal skins.
The skins allowed thermal protection, gave the houses a check and prevent rain water, or moisture from entering the interior of the house.
The correct answer to this open question is the following.
Although the question is incomplete because you did not attach references to the lesson, we can say the following.
One Mesopotamian contribution that I think had the biggest impact on human history was the development of agriculture techniques and the knowledge to know about the flooding of the Tigris and Euphrates Rivers, so Sumerians could use it for growing crops and to avoid some catastrophes.
The Sumerians were the oldest civilization on planet Earth. They settled in the middle of the above-mentioned Rivers in the Middle East region, modern-day Iraq. They developed great knowledge to built impressive buildings called Ziggurats and formed important city-states such as Uruk, Kish, Ur, and Lagash. Agriculture techniques were a big reason they could settle in these regions.
<u>Answer:</u>
The issue taken up by the candidate is a national issue.
<u>Explanation:</u>
- For the candidate running for the post of national level authority, it is mandatory to raise and talk about issues that are of national importance.
- The issues that would only address local and insignificant concerns would not help the candidate secure support from all over the country.
- The issue of economic growth of the country is primarily of everyone’s concern and is thus bound to fetch everyone’s attention.
