Sinkholes can for when:
A. <span>Rainwater containing carbon dioxide dissolves underground rock
</span>Water in an underground rock<span> or sediment layer is groundwater. </span>Underground<span> water </span>can<span> also erode and deposit material. </span>Rainwater<span> absorbs </span>carbon dioxide<span> (</span><span>CO2) as it falls. The CO2 groundwater creates landforms by </span>dissolving<span> away </span><span>rock.</span>
The feelings of the indigenous people tend to vary a lot about this topic.
Some of the indigenous people are very hostile to any foreigners in their land, so they would not hesitate to attack, and even in some cases kill.
There are some that feel it as an usurpation of their daily lives, and do not see the tourists very fondly, but are not making any real problems, just avoiding contact.
And there are some indigenous people that actually saw a nice opportunity to modernize and make a profit of the tourists, so they are using their survival skills in the wild in their advantage, and they are very welcoming towards the tourists and encourage them to come.
France, Spain and Greece are not examples of countries where the North and the South differ greatly: they have all experienced economic problems recently, but this was not specific to the Southern areas of their countries. .
The correct answer is Italy: there is a big difference between the North and the South of Italy, including a cultural difference.
Q2. Indians and Africans were considered black. Some Americans were even considered black too.
