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 Strait of Magellan, also called the Straits of Magellan, is a navigable sea route separating mainland South America to the north and Tierra del Fuego to the south. The strait is the most important natural passage between the Atlantic and Pacific oceans. It is considered a difficult route to navigate due to the narrowness of the passage and unpredictable winds and currents. It is shorter and more sheltered than the often stormy Drake Passage. Along with the narrow and sometimes treacherous Be