Sullivan was able to teach Keller successfully by fingerspelling, gesturing, using Braille, and vocal training. Some obstacles that Keller faced learning to sign without seeing her instructor would most likely include having to learn sign through muscle memory and visualization in her head instead of seeing and repeating. Sullivan had to be strict and push Keller to be repetitive in learning the Signs while having to hold Keller's hands to show her how to sign and she could describe signs by fingerspelling.
Answer:
There was an exodus of immigrants coming into the growing cities, in search of a livelihood. As a result, industries experienced new levels of market growth. There was also a wide practice of religion and politics was associated with some levels of corruptions.
Explanation:
The religious, social and political developments that accompanied early urbanization from 3500 to 2000 BCE, was an exodus of immigrants trooping into the fast rising cities, as immigrants were in dire need for employments. Also, religion was widely practiced by these immigrants.
The layer of atmosphere in which air masses move and interact is known as the Troposphere.
- This is because Troposphere is considered to be the lowest part of the atmosphere and many of the climatic conditions begin here.
- For example, climatic conditions such as convection, turbulence, water vapor, and clouds are formed in the troposphere.
- The troposphere also comprises the oxygen we breathe and help maintain our planet more livable.
Hence, in this case, the correct answer is option D "troposphere."
Learn more here: brainly.com/question/23274323