D : the shape of a solid does not change when it is put into a container
Answer: The European Union's most important water pollution act is called Water Framework Directive.
The demand for clean lakes and rivers, coastal beaches and groundwater by the environmental organizations and the citizens the commission made water conservation a chief priority under which the Water Framework Directive was made. The Water Framework Directive has some of key objectives like expansion of the scope of water protection for all types of water sources, water managements on the basins of rivers, ensuring proper quality standards, involvement of citizens and correct pricing etc.
