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Surface mining is removing soil and taking out minerals found fairly close to the earth's surface.
No only 2 miles deep
Main lines are generally found at least 24 inches deep, while service lines are generally found at least 18 inches deep. However this may change due to regrading of the surface after the original burial of the lines.
the deep crack in the earth's surface is the rift
How deep below the surface artifacts can be found depends on many factors. In some cases archaeological material can be found on the surface if overlying material is eroded away. This may happen near rivers (as they change their course) or on tracks for example. Ploughing can also bring archaeological material to the surface. In other cases archaeological material may be buried quite deep if the environment is one which leads to rapid deposition of sediment over it, such as on floodplains. In a very simplified way how deep archaeological deposits are will depend on their age.
Deep buried colonies would be in an anaerobic environment whereas surface colonies would be exposed to air. Additionally, surface colonies might not have access to enough nutrients so they may begin to enter death phase.
The deep buried colonies are usually anaerobic and do not need oxygen. The surface colony are usually aerobic and need oxygen.
In pour plate method, in this method of plating or culturing the microbial sample first diluted and pour in empty plate and after that growth media is poured in it and which is then skake firmly. As the microbial suspension or sample is distributed in media the growth of bacteria occurs in buried of deep positions.
Home plate is generally only up to about 4 inches into the ground because of the spikes that extend from the bottom of the base. Some home plate bases are actually simply placed flat on the ground at the surface rather than buried at all.
Surface mining is removing soil and taking out minerals found fairly close to the earth's surface.
Mountains and deep cracks in the surface of Earth are features that result from the forces of the plate movement.
continental drift
continental drift
granite
No only 2 miles deep
plate tectonics
20680 - Removal of implant; deep (eg, buried wire, pin, screw, metal band, nail, rod or plate)