Hoovervilles and the economy. As the economic crash of the 1930s dragged on, more and more people were ruined. Delinquent taxes, drastically rising unemployment and mortgage foreclosures were heavy burdens to overcome. Those factors forced ordinary people to either move into Hoovervilles or become transients.
Carbon is the sixth most common element in the universe and the fourth most common element in the solar system. It is the second most common element in the human body after oxygen. About 18 percent of a person's body weight is due to carbon. The black color of smoke is caused by unburned specks of carbon.
Carbon combines with oxygen in the air to form carbon dioxide. Compounds. Carbon forms a wide variety of compounds, many of which are important components in living things. It is present in the compounds found in coal and limestone.arbon combines with oxygen in the air to form carbon dioxide. Compounds. Carbon forms a wide variety of compounds, many of which are important components in living things. It is present in the compounds found in coal and limestone.