<span>Mexicans have access to first-world infrastructure and high-velocity Internet speeds in Mexico City, in pockets along the border with Texas, and in business centers like Monterrey and Guadalajara, but the vast majority of Mexicans live beyond the reach of the digital age. About 82 million people — 70 percent of Mexicans — have no access to a computer or the Internet, according to the Mexican Internet Association, or AMIPCI.</span>
1. Destroying the ecosystems.
2. Destroying agricultural land and thus creating problems in food production.
3. Pollution of water.
4. Micro climate changes.
5. Pollution of air.
6. Sound pollution.
Most of those major cities are located near Petroleum Fields and Coal Mines.
The correct answer is - Focus.
Focus of the earthquake, also referred to as hypocenter, is the location/point where the earthquake starts. It is usually few kilometres below the surface. At this spot the ground raptures after which seismic waves start radiating outward in all directions. The focus is located below the epicenter, or rather the epicenter is above it because the location of the epicenter is determined by the location of the focus, so the epicenter represents the closest point on the surface of the Earth from where the focus is.
The deposition of sediment where there is a steep drop-off into shallow, flat land can create an alluvial fan. An alluvial fan is a triangular-shaped deposit of sand, gravel, and small sediments.
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