




The first centenary of a memorable feat, the conquest of the South Pole, will be celebrated in 2011...
In today’s society, more than 80% of human activities are closely connected to the production of energy generated by the combustion of oil.
Biotechnology can be defined as the application of microbiology, genetic engineering and biochemistry for the treatment of waste materials by means of micro-organisms, vegetable cells, animal cells and enzymes, and for the production of goods and services in the health sector, food sector, chemical industry, energy and waste elimination.
Earth
Soil structure
When the soil is not removed, the so-called mature soil develops...
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Earth
Soil composition
The soil consists of a mixture of solid particles, water and air...
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