<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>
Answer:
Combatants: Israel, Egypt, Syria
End date: 25 October 1973
Date: 6
Explanation:
Answer: Moldova's residents rejected a proposal to unify this new nation with Romania in 1994. Moldova's hilly terrain slopes gradually in a southerly direction toward the Black Sea.
Explanation: