The biosphere is the portion of the earth that supports living things.
The answer is a) true
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<span>They are called seismic gaps. Seismic gaps are a segment of an active fault, they are responsible for production of earthquakes.</span>
<span>The populations are already sparse (due to being mainly desert) added to the fact that there is a huge influx of people seeking work oppotunities in the oil industry, from Westerners to Asian communities. This swamps the local population. </span>