Answer:
Most of the world's major cities were built on or around areas of freshwater. Our ancestors chose to settle near these areas as rivers were a means of supplying drinking water for their families and beasts, as a food supply, used for irrigating crops and as a means of transport in order to aid commerce.
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Answer:
ok so amarica is far off to the west
Explanation:
Answer:
A. Obsidian
Explanation:
It fits the property described in the question.
It cools so fast that no visible crystal or grain could form. It has high silica Composition, black and glassy. It is also used to make tools with sharp edges
The primary source of fuel in South america is petroleum.
-Agarvated
Answer:
The Tropics receive more direct sunlight, resulting in warmer climates. The Poles receive almost no direct sunlight, resulting in a colder climate.
Explanation:
The tropics and the poles are two totally different regions on Earth. The differences can be seen in pretty much everything, from climate conditions to soil, geography, biosphere, precipitation, human activity, etc. One of the most noticeable and most important differences between the two is definitely the angle at which the sunlight falls.
The tropics are the region that receives sunlight at direct or close to direct angle all year round. This means highly concentrated sunlight and warm or hot weather conditions all year round. The poles are the region that receives sunlight at the lowest angle, having it constantly for around half a year, and then lacking it for half a year. This means very dispersed sunlight which can not warm up the surface and air, so the weather conditions are very cold all year round.
