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.
<h2>Answer: Option D</h2><h2 />
Option A, "a large swirling, low-pressure system that forms over the warm Atlantic Ocean" is incorrect because tornadoes do not form over water. That would be a hurricane.
Option B, "a winter storm with wind speeds of at least 56 km/h and low visibility" Is incorrect because tornadoes do not form in cold weather. That would be a blizzard.
Oa boundary between two air masses of different density, moisture, or temperatureption C, "a violently rotating column of air in contact with the ground" is correct <u>because tornadoes are columns of air that rotate due to warm air and cold air colliding.</u> They usually occur during a thunderstorm.
Option D, "a boundary between two air masses of different density, moisture, or temperature" is incorrect because tornadoes are not based on air mass, density, moisture, or temperature. This would be a front.
Answer:
D) increased haze and smog caused by auto exhaust and tire particulates.
And scientists say it will take natural processes 6,000 years to refill the reservoir
