Answer:
acts as a natural barrier between regions-<u>B</u><u>o</u><u>t</u><u>h</u>
Provides a rich supply of iron and other minerals-<u>B</u><u>o</u><u>t</u><u>h</u>
example include the sahara and Kalahari-<u>D</u><u>e</u><u>s</u><u>e</u><u>r</u><u>t</u>
is usually a dry area with little to no rainfall-<u>D</u><u>e</u><u>s</u><u>e</u><u>r</u><u>t</u>
examples include the Andes and Himalayas-<u>M</u><u>o</u><u>u</u><u>n</u><u>t</u><u>a</u><u>i</u><u>n</u><u>s</u>
In the second half, it mentions "why would the masters pay such low wages?" Low wages would be a vital part of unhappy employees. In addition to insufficient wages, an unrealistic expectation of how much work the employees need to accomplish was also put onto them. They were "ground to dust." As the workers were treated like dogs and payed insufficiently on top of that, there was no wonder they would go on strike. Also, the workers had families that they wanted to spend time with in addition to making enough money to pay for their homes, clothes, food, and other supplies.
The vocabulary used in the script
The phrase from the passage that BEST supports his generalization is:
Chimpanzees use tools in the same way humans do.
Explanation:
The primary skill that differentiates humans from other animals is our ability to use tools for our advantage in the wild world. This led the humans to develop more sophisticated tools and then work with them.
The chimps have been known to use simple tools for digging and finding things which is usually wooden and stone tolls they create for their own subsistence. This means that the chimps have the ability to evolve even further and there is a chance that they can develop more sophisticated tools.