Answer:
7. Declining fertility rate
8. Britain, 18th Century
9. Interest rates were very low.
Explanation: 7. The causes of population ageing vary among countries.
8. It transformed economies that had been based on agriculture and handicrafts into economies based on large-scale industry, mechanized manufacturing, and the factory system. Also introduced Capitalism, Urbanization, exploitation of the working class.
9. Southern European countries also share, as a key feature, a combined and uneven capitalist development.
Answer: Option (C)
Explanation: Non renewable resources refers to those resources that cannot be regenerated after being used. This are also known as the conventional energy resources. They are formed from the decay of ancient planta and animals that were buried millions of years ago. For example, coal, petroleum, oil and natural gas.
This <u>amount of this resources are present on the earth in a very fixed amount and have great economic significance</u>. Since it is present in a very small amount, so it must be use carefully and if possible should make minimum use of it.
In order to sustain this resources, alternate renewable resources are being used.
Thus, the correct answer is option (C).
The answer to your question is carbon dioxide
Believe Mount Vesuvius is in Italy