The mexican government didn't want them to, so they closed them down
Mining sites are the extraction of valuable minerals or other geological materials from the earth usually from an orebody, lode, vein, seam, reef or placer deposits. ... Mining operations usually create a negative environmental impact, both during the mining activity and after the mine has closed.
Answer:
The term a city too busy to hate is a phrase that is over fifty years old and it was created during Allen's administration. In the summer of 1966, Allen tried to live up to that image by going into the black inner city community of Summer hill to try to calm racial tension.
For the answer to the question above on how the biosphere, hydrosphere, geosphere, and atmosphere are interconnected. They are part of the <span>processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels. In short, they are part of Carbon Cycle</span>
Archaeologists. They search for artifacts that prehistorical cultures left behind. Like tombs, ancient jewelry, weapons, etc.
