Answer:
<u>Radon </u>in door source of air pollution.
Explanation:
- From all Pollutant and sources found in the interior of the homes like the pet dander and molds, pesticides and asbestos. Radon a chemical element found in homes having an atomic number of 86. It is a radioactive and odorless tasteless natural gas.
- Through the radon is non-reactive elements, it can be oxidized with compounds of fluoride. It has no stable isotopes characterized bt unstable mass. In the mining industry, it caused due to the exposure from the released air.
- Radium-226 is used to produce the radon which is found in uranium ores and phosphate rocks. An estimate of about 2.4 billion curies of radon is released every year into the soil. This pollutant can also be found in water bodies and even in construction sites.
The features of social democracy that are common in Europe are mainly universal health care and tuition-free college. Europeans also get the minimum living wage. They benefit from these features with a cost. Citizens, most especially the rich ones, pay higher taxes to fund these necessary benefits.
They should study about how volcanoes erupt or explodes
The Grand Canyon is about 5-6 million years old, or was formed about 5-6 million years ago
Answer:
It releases bbbles of carbon dioxide
Explanation:
