Fireworks, which are generally believed to have been invented by the Chinese, have been used throughout history to celebrate happy occasions. In 1789, George Washington’s inauguration was accompanied by a display, and today, fireworks help mark Independence Day in the US, Diwali in India, Bastille Day in France, and New Year’s Eve around the world. In 1999, Disney World began launching fireworks with compressed air rather than gunpowder. What are the advantages of this type of launch? Discuss