Answer:
Ang nitrous oxide , karaniwang kilala bilang tumatawa na gas o nitrous , ay isang chemical compound, isang oksido ng nitrogen na may formula na N2O. Sa temperatura ng kuwarto, ito ay isang walang kulay na di-nasusunog na gas, na may bahagyang metal na pabango at panlasa. Sa mataas na temperatura, ang nitrous oxide ay isang malakas na oxidizer katulad ng molekular oxygen.
Ang nitrous oxide ay may malaking paggamit ng medisina, lalo na sa operasyon at pagpapagaling ng ngipin, dahil sa pagbabawas ng anestesya at sakit.
The Triangle Trade brought labor for a <em>very</em> cheap price, much much cheaper than indentured servants. They also began to use the triangle trade instead of enslaving the locals because the natives knew their way around the land and could run away easily.
The United States considers China's membership in the WTO as positive as it <span>It advances U.S. business interests in addition to connecting China into the international system. The membership of China in the WTO has led it to open its borders to foreign business especially from the United States. Connecting China to the international system will motivate it to seek to promote stability.</span>
On January 7, 1839, members of the French Académie des Sciences were shown products of an invention that would forever change the nature of visual representation: photography. The astonishingly precise pictures they saw were the work of Louis-Jacques-Mandé Daguerre (1787–1851), a Romantic painter<span> and printmaker most famous until then as the proprietor of the Diorama, a popular Parisian spectacle featuring theatrical painting and lighting effects. Each daguerreotype (as Daguerre dubbed his invention) was a one-of-a-kind image on a highly polished, silver-plated sheet of copper.</span>
