During this time humans used stone to make tools and stone was used many times as part of the actual tool. Tools are objects that make our lives easier. A computer or smart phone are examples of modern-day tools. Paleolithic is a word that comes from the two Greek words palaios, meaning old, and lithos, meaning stone.
Meteorologist is the awnser
Answer:
The air was stale and hot
Explanation:
At that time, there were no regulations about how the Factories should handle their waste/pollutants. So most of them just dumped them to the environment near the factory.
As a result, those who lives in slums near the factories have to experience u stale and hot air that is caused by the production. This caused many of them to develop some sort of respiratory illness.
Changing immigration patterns in the United States have b. added to the variety of religions.
<u>Explanation:</u>
Immigration means international movement of people from their own country and settles in the foreign country.
Immigration laws are made to restrict the immigration of people. These laws decide who should enter the country.
United States of America holds larger immigrant population than any other country. The immigration patterns in the United States of America are changed. These changes added many varieties of religions. Religion is a system that encourages conformity to the norms of society and unity in social group.