The correct answer is - Large numbers of migratory birds;
The number of the migratory birds has always been pretty high and it hadn't resulted in the drying up of the Ogallala Aquifer, not to mention that those birds can not even reach that water because it is underground. Also, the number of the migratory birds have been steadily lowering, so even if they were using that water for drinking, it wouldn't have caused the drying out.
The Ogallala Aquifer has started to dry out because of numerous reasons, with the usage of its water for irrigation being the prime reason. The droughts have become longer, and the temperatures little higher, while the rainfall slightly smaller, so all of that affected the reserves of water in the aquifer negatively.
Answer:
The population is most dense around Saint Petersburg and Moscow
<span>The shortage was of people. Without enough individuals to hold the new land and therefore to gain control and power of the area, colonialism in the Caribbean proved to be a difficult task. Without the necessary human cargo to keep intruders out of the newly acquired land and to ensure that everything is running smoothly, it is nearly impossible to create an expansion of economic power.</span>
That is very true i assume
Answer:
The feudal system is based on a sort of wealth hierarchy. The king gives land to nobles and in return they pay taxes. The nobles tax the peasants that move onto the land. The peasants are generally farmers, so they grow most, if not all their food. They sell the food to other peasants and nobles. The knights living on the land have an immediate duty to protect their kingdom is called on by the king, so they have less, or no taxes.
Explanation:
I know stuff, I guess.
