Develop renewable resources, improve agricultural methods, improve fuel efficiency, and reduce petroleum use
<span>Sinkholes, especially like the one that occurred in Mexico City, are often sign that the water reservoir is being depleted. Usually, the water underneath the ground helps stabilize it, however if there is suddenly open space or a cavern, it can collapse on its self causing a sink hole. This could also happen from fracking and drilling.</span>
The correct answer is C: the Mackenzie River!
Answer: One advantage is that it provides habitats so animals can live and have their shelter. And one disadvantage is that it can be easily damaged by storm waves Areas have to be zoned off from public while it grows Protection is limited to small area.
Explanation: Hope it helps :)
For number 17, the city with the highest polulation density is Tokyo. Most of Japan's people live there.
