A language isolation, in the absolute sense, is a natural language with no demonstrable genealogical or genetic relationship with other languages, one that has not been demonstrated to descend from an ancestor common with any other language.
Answer: The answer is Israel.
Overpopulation would be the greatest threat to our future. overpopulating the earth would mean more buildings being made, more factories being created and with more factories there becomes more pollution, more poverty, etc
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>