Answer:
For many people, the Great Wall of China represents proof that humans have built border walls for thousands of years and that they are an effective means to protect the population from an outside threat. These walls also failed and were overrun within a few decades of their construction.
Get a thorough intro to the Great Wall of China: interesting facts, who built it, and why, and how, locations, maps, length, height, Beijing tours.
The most studied <span>transform fault in the world
is "San Andrea's fault".
The point where two plates slide with one another i called Transform Plate Boundaries. The
fracture zone which makes a transform plate boundary is known
as a <span>transform fault.</span>
<span>"San Andrea's fault" runs for around 1200 km
through California (A rough estimate). </span></span>
Answer:
Methanogens are the source of most of the world's natural gas.