Category: Glossary

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Subsidence

Last modified by Driving Directions on 04/26/2021

The settling of land by the compression of lower layers of rock and soil, usually accelerated by the removal of water from below the surface. Of particular importance in urban centers, with Mexico City having one of the most persistent problems.

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Summer solstice

Last modified by Driving Directions on 04/26/2021

On or about June 22, the first day of summer in the Northern Hemisphere, the northern tip of Earth’s axis is inclined toward the sun at an angle of 23.5 degrees from a line perpendicular to the plane of the ecliptic. This is the summer solstice in the Northern Hemisphere. On or about December 22, the first day of winter in the Northern Hemisphere, the southern tip of Earth’s axis is inclined toward the sun at an angle of 23.5 degrees from a line perpendicular to the plane of the ecliptic. This is the summer solstice in the Southern Hemisphere.

Google Maps™ Driving Directions (Home) » Glossary

Sun Belt

Last modified by Driving Directions on 04/26/2021

A U.S. area of indefinite extent, encompassing most of the South, plus the West at least as far north as Denver, Salt Lake City, and San Francisco. This region has shown faster growth in population and jobs than the nation as a whole during the past several decades.