They show the most important substances as it can show how they reac in a chemical and how they are able to react
Answer:
"No Taxation Without Representation"
Explanation:
Variables are the term of concepts in a study, such as the average age of a person upon acquiring his or her first job and the average salary he or she was paid for that job.
Answer: Option A
<u>Explanation:
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A variable is a feature, number or quantity that can be measured or counted. A variable can also be called a data element. Examples of variables are person's age, category of gender, company revenue and expenditures, birth country, capital expenditure, grade class, eye color and vehicle type.
Salary is some amount of money paid to the employee from an employer in a company. So, here in the given situation, the average person’s income come under the term variable (can be counted).
Answer:
<h3>d) step migration across member states to a final destination.</h3>
Explanation:
Step migration is a pattern of migration which was first propounded by Ernst Georg Ravenstein in 1885. He observed that modern migration involves step by step pattern where migrants from rural places slowly moves closer and closer to urban places.
In modern times, transnational migration mostly occurs through step migration. For instance, international students are granted citizenship in the countries where they study if they prove to be skillful and productive. It is a step by step process.
Similarly, permanent citizenship is granted to migrants if they prove to have settled and worked in a member state country of a particular region or union. Here, the refugee entered the European Union in Italy and was housed in Germany for sometime. This shows that he/she has been living in Germany for sometime and therefore, gets asylum and citizenship in Sweden as these countries all belong to the same union and region.
