1.

Why we are balance the chemical reaction

Answer» Following the Rio conference of 1992, most countries undertook to draw up a national strategy for sustainable development. The implementation of these strategies has turned out to be tricky, because it must address very serious issues within economic and political contexts that are marked by strong inertia. The issues appear at every level and affect practically every area of national policy. The various approaches reflect different points of view, and in particular: more or less constrained free market practices, a desire to place people at the heart of the economy, the greater or lesser determination of the various countries in the world, and the balance between short, medium, long, and very long-term interests. Moreover, there is no denying that the interdependence of modern-day economies means that environmental problems must be dealt with on a worldwide level, which does not simplify the implementation of the necessary strategies, particularly because of differences in levels of development.
To verify the law of conservation of mass
To accept the conservation of mass
For fullfill the statement that atom can not be created nor be destroyed


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