António Guterres est un homme d’état portugais. Il est secrétaire général des Nations Unies depuis le 1er janvier 2017. Wikipedia
Résultats pour:
Marissa de Boer
2016
Phosphorus is an essential nutrient for all forms of life. It is a key element in our DNA and all living organisms require daily phosphorus intake to produce energy. It cannot be replaced and there is no synthetic substitute: without phosphorus, there is no life.Reserves are limited and not equally spread over the planet.