"The Civil War encouraged industrial growth by challenging industries to make products more quickly and efficiently than they had been made before."
the belief that humans may be divided into separate and exclusive biological entities
A quotation is someone writing what someone else said but giving them credit while a paragraph is usually 5 or more sentences and is in your own words
Answer:
The answer is letter C.
Explanation:
People who are living in the mountains tend to be more isolated than the other populations. This is because the mountains isolate them. A language spoken in one place divided by a mountain will differ from the other side of the mountain.
This explanation is highly related to the earth's ecosystem. Once an ecosystem is divided, each gives rise to new species. Similarly, it means that once people's community are divided by mountains, it then gives rise to new languages that can never be spoken elsewhere.
It is said that nature such as rivers and mountains greatly shape the language of people.
