Answer:
b) Coal
Explanation:
The rock from the presented list that is composed of non-mineral matter is the coal. This rock is actually composed of organic matter.
The coal is a sedimentary rock. Its basis is organic matter as mentioned. The organic matter has been provided by the trees that have died off, especially the ones from the Permian period.
When the trees died off, they were covered by natural materials that isolated them from the outside influences that would decompose them. Instead, they have been gradually buried deeper into the ground, being exposed to higher temperatures and pressure, which gradually, over the course of millions of years turned the organic matter and the chemicals with which it interacted into sedimentary rock, the coal.
The coal has been the main energy source for the industry, and it was extremely important for the technological advancement in the past few centuries.
Answer: Numerous ways. Separation of people based on intelligence.
Explanation:
There are a lot of ways rational ways when it comes to drawing of boundaries which will be able to separate respective territories mentioned in the question.
Considering the ways of boundaries is based upon segregating them on the bases of human characteristics which includes, religion , race and culture. Another way could be that the territories are separated by the geographical region of the land such as, rivers, forests and as well as mountain ranges. In order to imagine this, one can consider Arabian Peninsula could be bounded by region where Muslims are kept at one place while the others are kept at a separate territories.
Another way of drawing boundaries would be to place people with a high intelligence level in one territory, people with average intelligence level in another territory, and people with a low intelligence in another territory.
<span>d. all of the above is the answer</span>
