Answer: (C) Business cluster
Explanation:
Business cluster is basically refers to the geographical concentration where various types of business, institutions and the suppliers are interconnected in the specific field. The business cluster is also called as the competition and the industry cluster.
Business cluster plays an important role globally as it increase the productivity in an organization so the various types of firms can compete with each other.
Cluster mainly include various types of technologies so that it helps to provide the good infrastructure and the distribution network.
Therefore, Option (C) is correct.
https://en.wikipedia.org/wiki/Western_Roman_Empire
It's B. increased air temperature
Answer:
People modify the environment for their purposes and obtain benefits (Ecosystem Services) from it. These Ecosystem Services are essential for human well-being and include for example the provision of resources like water, timber, food, energy, information, land for farming and many more.
It would most likely be the last one. Erosion is effectively the process of natural forces breaking down rock or soil, which allows it to move from place to place with the aid of forces like wind or water. I would say the answer would be the first one, but it only says rock, while erosion can affect more than just rocks. Hope this helps.