Analyst Questions

The law of conservation of mass states that in any closed system the mass of the system is neither created nor destroyed over time i.e, the mass cannot be changed overtime.

Hence, the given statement is true.

The difference between Union and Union all is that Union all will not eliminate duplicate rows, instead it just pulls all rows from all tables fitting your query specifics and combines them into a table. A UNION statement effectively does a SELECT DISTINCT on the results set.

Maryland was established by Calvert brothers as a refuge for Roman Catholics prosecuted in England.

Enid Mary Blyton was the English children's writer published 59 new books in 1955.

Article 87 is related to Special Address by the president.

Other Articles Relate to :

Article 84 - Qualification for membership of Parliament.

Article 85 - Sessions of Parliament, prorogation and dissolution.

Article 86 - Right of President to address and send messages to Houses.

A tone in music is a sound that has definite pitch. Pitch is nothing but the relative highness or lowness of a sound.