Feeding is one of the pillars of human health and is an extremely important issue, especially when it comes to childhood feeding. During food processing stages, these can be exposed to contaminants, both organic and ...

Most of the human activities that use water produce effluents which can contain large amounts of contaminants, such as organic matter, nitrogen compounds, phosphates and metals. In developing countries, the vast majority ...

Chemistry teaching aims to establish relations with an approach in Science, Technology, Society and Environment, it is becoming more and more important and necessary nowadays. The school has the role of forming citizens ...