How many velves does a trumpet have?

Explanation
The three valves of the trumpet add lengths of tubing to the instrument to lower the pitch.

Explanation
Xi. Jinping has been the president of China since 2013, making him the most powerful man in the world. 

Explanation
Mirza Asadullah Baig Khan, also known by the pen names of Ghalib and Asad, was an Indian poet. His honorific was Dabir-ul-Mulk, Najm-ud-Daula. Born: December 27, 1797, Agra, India Died: February 15, 1869, Delhi, India

Explanation
The Pfizer vaccine requires two doses, ideally 21 days apart. That being said, the vaccine has shown to have a high efficacy rate after a single dose, up to 85 percent , according to a 2021 study published in the Lancet.

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:Game plan a strategy for achieving an objective.

Explanation
One of the team captains chooses heads or tails before the referee tosses the coin.

Explanation
Coin flipping, coin tossing, or head or tail is the practice of throwing a coin in the air and checking which side is showing when it lands, in order to choose between two alternatives, heads or tails, sometimes used to resolve a dispute between two parties.

Explanation
Offside is one of the laws of association football, codified in Law 11 of the Laws of the Game. The law states that a player is in an offside position if any of their body parts, including the hands .

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In addition ethics is important because of the following: S atisfying Basic Human Needs: Being fair, honest and ethical is one the basic human needs.A

Explanation
International law, also called public international law or law of nations , the body of legal rules, norms, and standards that apply between sovereign states and other entities that are legally recognized as international actors.