Radical - A person who advocates fundamental political, economic, and social reforms by direct and often uncompromising methods
Parliament - a meeting or assembly for conference on public or national affairs
Revolution - an overthrow or reduction and the thorough replacement of an estimated government or political system by the people governed
Checks and balances - limits imposed on all branches of a government by vesting in each branch the right to amend or void those acts of another that fall within its purview
Tax - a sum of money demand from a person or business
Sustainable development has been defined in many ways, but the most frequently quoted definition is from Our Common Future, also known as the Brundtland Report: "Sustainable development is development that meets the needs of the present without compromising the ability of future generations to meet their own needs."
An ionic solution would be able to conduct electricity where as the covalent would not so if you have a conductivity tester which are available in most labs you should be able to distinguish between the 2
