Answer:
Matter changes when energy is added or taken away
Explanation:
Most matter changes because of heat energy. When matter is heated enough, the molecules move faster and with greater energy. If enough heat is added, a solid can become liquid and a liquid can become gas.
The united states was heavily influenced by the Great migration. One of the significant characteristic is the number of African Americans moved to states in the Northern America. Thus the correct option is (C).
<h3>
What is Great Migration?</h3>
Great migration refers to the mass movement of the African American from the South America to the North America in the year between 1910 to 1970. around 6 million people were dislocated from there old region to the new region. Thus it is also known as Black Migration.
US was heavily influenced by the situation as it took place at the time of the great depression. The causes that led to the great migration are racial segregation, exploitation, to obtain freedom, poor economic conditions, search of job etc.
Thus the main characteristic of great migration is movement of the African Americans to the state of North America.
Thus the correct option is (C).
Learn more about Great Migration here;
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It provided many resources like better quality for cloth.
Answer:
<h3>The Principle of Justice.</h3>
Explanation:
According to social contract theory, when people came into consensus, they put behind certain rights in order to achieve common liberty and security of life. The social contract theory governs that people live together in a society in accordance to an agreement that establishes moral and political equality for all.
The most ethical principle that is closely related to the social contract theory is the principle of justice. It could be understood as the moral obligation to act on the basis of fair adjudication between tow individuals. Similar to social contract, it aims to bring mutual understanding, entitlement and equality to all. The principle of justice might have attributed to the basic ethical principle of social contract theory.
Answer: A. walk up 4 flights of stairs
Explanation:
An old person can no longer walk 4 flights of stairs because the joints on their legs can no longer handle that amount of stress .
When one gets older they start to develop many chronic diseases such as high blood pressure , joint pains and these diseases will spike up if they were to expose themselves in such a stressful situation where they have to walk that far and that in a steep level.
