The Greeks had to raise crops and animals suited to the hilly environment and the climate of hot, dry summers and wet winters. Their crops were wheat, barley, olives and grapes.
Arsenic pollution of groundwater is a form of groundwater contamination, which naturally occurs in high concentrations of arsenic in deep groundwater.
Nuclear power plants provide 17% of the world’s electricity. There are over 400 nuclear power plants worldwide
And the production of solar elements and cumulative use gallium, arsenic, selenium and other elements, which become heavy pollutants as they disposal in ground.
