<span>Factories and their corresponding jobs were located in cities and created economic opportunities for migrants.</span>
Answer:
A. The country’s population is aging
Explanation:
- The total fertility rate is the fertility rate that shows absolute or relative fertility over a period of time. It represents the number of children that can be born over the time period.
- The fertility rate changes over the time period and is related to the age and health of women. The population of the country is said to be low or declining when the number is one or less than one. Most of the developed nations have a declining fertility rate of 1.1 to 1.5.
Description The Fermi paradox, named after Italian-American physicist Enrico Fermi, is the apparent contradiction between the lack of evidence for extraterrestrial civilizations and various high estimates for their probability. Michael H. Hart formalized the basic points of the argument in a 1975 paper.
So, first of all let me explain the process of hydration to you.
The water causes the hardening of concrete through a process called hydration. Hydration is a chemical reaction in which the major compounds in cement form chemical bonds with water molecules and become hydrates or hydration products.
Considering this information, the answer is D.
