According to the EPA, the average indoor radon level is about 1.3 picocuries per liter (pCi/L). People should take action to lower radon levels in the home if the level is 4.0 pCi/L or higher. The EPA estimates that nearly 1 out of every 15 homes in the United States has elevated radon levels.Outdoors, radon generally disperses and does not reach high levels.adon is a colorless, odorless, radioactive gas. It forms naturally from the decay (breaking down) of radioactive elements, such as uranium, which are found in different amounts in soil and rock throughout the world.
Download. The Strait of Malacca as one of the most important geopolitical regions for the Peopleâs Republic of China. By: Guillermo Pineda The geographical hotspots of the world are all related to economic trade and global exchange of political interests. Places such as the Panama and Suez Canals have always been in the Western media.
The Treaty of Tordesillas between the Spanish and the Portuguese, was to clear up confusion on newly claimed land in the New World following Christopher Columbus's finding of â¦ a New World.The early 1400s brought about great advances in European exploration.onfidence votes 7. The Treaty of Tordesillas is important because it allowed Portugal to claim part of eastern South America. Although in the long run, Spain came out with the better end of the deal.