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Answer: D) Both A & B Explanation: An Element is a pure substance of one type of atom. In chemistry, any material such as carbon, hydrogen, iron, or oxygen that cannot be broken down into more fundamental substances is nothing but an element.

In SQL, UNION  merges the contents of two structurally-compatible tables into a single combined table.

तम्बाकू और इसके उत्पाद के सेवन से संबंधित जोखिम और परिवार, समाज और पर्यावरण पर इसके बुरे प्रभाव के बारे में जागरूकता को बढ़ावा देने के लिए विश्व स्वास्थ्य संगठन द्वारा हर साल 31 मई को विश्व तम्बाकू निषेध दिवस का आयोजन किया जाता है।

Answer: A) Kerala Explanation: The Kerala government has implemented Green Protocol for making weddings more naturally in the state. The purpose of the initiative is to reduce the use of plastic in daily life. With the implementation of the protocol, use of plastic and other non-degradable articles including disposable glasses and plates and thermocol decorations will be discouraged at marriage functions. Inspections will be held at marriage halls, convention centres and hotels and other venues of the wedding ceremony in this regard and action would be taken if the protocol is violated. The state nodal agency for sanitation ‘Suchitwa Mission’ has already launched the initiative in Kannur, Ernakulam, Kollam and Alappuzha on a pilot basis. As per officials, the protocol would be implemented in the rest of the districts soon.