Ozone is a gas comprised of three oxygen (O3) atoms. It is unstable and reacts easily to other gases. In its natural state, it is a component in several levels of the atmosphere. At high altitudes ...

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The members of the European Council are the heads of state or government of the 27 EU member states, the European Council President and the President of the European Commission.

In the event that The King cannot undertake his official duties as Sovereign on a temporary basis due to illness or absence abroad, two or more Counsellors of State are appointed by Letters Patent to ...