It is a measurement of population per unit area or unit volume.....
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Mecca receives 4.3 inches of rainfall a year, mostly in the winter months.
On the medieval world-maps it was represented only the part of the world known as the 'old world', which is consisted of Europe, Asia and Africa. Before the big discoveries, people living in this continents had knowledge only of this part of the world, while South and North America, Australia and Antarctica where still unknown to them, thus they are missing in the world-maps of this period.
Answer:
Aquifer
Explanation:
The upper surface of this zone of saturation is called the water table. The saturated zone beneath the water table is called an aquifer, and aquifers are huge storehouses of water.
Igneous rock is formed when magma hardens