Answer:
The correct answer is:
A) They get a sense of the history of the area they are investigating
Explanation:
The age of the rocks located in the different layers is estimated because the absolute age is checked by measuring the radioactive decay of the isotopes of the elements.
The density of a rock depends on both its mineral composition and its porosity and various procedures are necessary to determine the reliable average values.
The value of the rocks is relative and is determined based on the objectives of the geological survey.
Answer:
South America has a population approximately of 390.028.877 (2017)
North America has apopulation approximately of 579.000.000 (2018)
Considering the available options, the discovery responsible for the shift from rural to urban population is the "<u>Electricity</u>."
<h3>What is Shift from Rural to Urban Population?</h3>
The Shift from Rural to Urban population is the increase in the population of the urban centers due to migration from the rural areas.
Following the discovery of electricity, there is a rise in industrialization, thereby leading to people migrating from rural areas to urban areas to get jobs and live better lives.
Hence, in this case, it is concluded the correct answer is option D. "Electricity."
Learn more about the impact of electricity here: brainly.com/question/16620781
Answer: the silicon tetrahedron
Explanation:
Answer:
Big cities, convenience.
Explanation:
In the most densely populated areas of Europe and Russia, there are cities which means that things will be close to people. Cities provide convenient for people, they are more populated.