the answer is physical change
Although coal is Kentucky's primary energy source, the state also produces oil and natural gas
Answer with Explanation:
"London" is regarded as the richest city in England. However, it is also said to contain the poorest sector in the country. This is primarily because of the "inequality" that is happening in the city. Such inequality is said to have grown between <em>1990s</em> and <em>2008</em>. This happened due to the rising wages of the high-earners while the poor remained poor. So, the gap widely increased. Such condition resulted to a<em> "recession"</em> which took its peak in the year 2008. This creates a gloomy picture for London even in the future. It will result to a more divided city.
The correct answers are:
- gas;
- petroleum;
These three North African countries do not have a big variety of natural resources, instead they only have very few, but it is the most valuable ones on the global market, the petroleum and the natural gas.
All three are very rich in these two resources, especially Libya, and they had a crucial role into the development and economic progress of these countries, by bringing them enormous trade revenue.