A theory proposed by Harold Hotelling states that owners of nonrenewable resources will only produce that resource if it wills the yield will have more value than other financial instruments available in the market, such as interest bearing securities and bonds. This assumes such owners are only motivated by profit and that markets are efficient. The theory is used by economists to predict the price of nonrenewable resources like oil, based on prevailing interest rates.
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Answer:
The rocks at the bottom of the ocean are younger than the rocks on the continent. This can be pessible due to the process called Continental Drift.
Explanation:
For a long time the human being wondered what would be the age relationship between the rocks at the bottom of the ocean and the rocks of the continent. Which rocks were younger or older? The scientific advance that humanity achieved during the second world war allowed this question to be answered, as it was during this period that "sonar" was created, a device that is able to reveal the ocean floor
From the creation of this device, and other equipment, scientists were able to study the underwater mountains known as oceanic dorsals. During these studies, scientists were able to create methods of donating rocks and were able to conclude that the closer to the oceanic mountains the rocks were, the younger they were. On the other hand, the closer to the continent, the rocks were, the older they were. They will conclude that this must have been influenced by the phenomenon called continental drift, which refers to the movement of the masses of the planet over a period of time.
Answer:
Cold and harsh winters exist in this region, which is known for large cities and universities.
Explanation:
The Northeast of the United States is the most developed and most densely populated region of the country. This regions is by far the smallest of the five major regions of the United States. The Northeast region borders Canada on its north, the Atlantic Ocean on its east, the Southeast region on its south, and the Great Lakes area from the Midwest region in its west.
The climate in this part of the country is known for its fresh and pleasant summers. There is solid amount of precipitation throughout the year. The winters tend to be very cold and harsh, with temperatures often going below -30 C degrees, and intense snowfall being a common occurrence.
As mentioned, this region is very densely populated. The main reason for this is that it is the economic center of the United States, so there are large urban areas in it, and the landscape is dominated by settlements. Some of the largest cities in the Northeast are new York, Boston, Philadelphia, and Buffalo.
There are also numerous student towns in the area, mostly on places further away from the large urban areas. Millions of students visit these universities each year, and they are predominantly with very high reputation.
The correct answer is - 2. Earth's climates have changed and are likely to change in the future.
From what is known for the geologic past of the Earth, our planet's climate has been changing numerous times. The climate on the planet has varied from being predominantly wet tropical climate, to having ice ages, having multiple different climate types at the same time... The reasons for the changes in the Earth's climate are numerous, with the Sun's radiation, tectonic movements and activities, volcanic activity, outside influences like asteroid and meteorite collisions, the vegetation, and all of them have managed to create a very colorful climate history of the planet. This trend of climate change should continue in the future as well, as all of the aforementioned factors are still influencing the climate and on top of that the humans have become a factor in the climate change too.
