1930 dust bowl in the great bowl was cause by

The dust bowl was caused by an over farming of soil and an intense drought. This in turn caused the soil to become very dry and sand like, which cause dust storms, which is how it got its name "The Dust Bowl"

Explanation:

You can look this up about anywhere really, but we just finished a section on the dust bowl in my history class.

oxygen is the first element in group 16 (via) of the periodic table. the periodic table is a chart that shows how chemical elements are related to each other. the elements in group 16 are said to belong to the chalcogen family. other elements in this group include  sulfur, selenium, tellurium,  and  polonium.  the name chalcogen comes from the greek word  chalkos,  meaning "ore." the first two members of the family, oxygen and sulfur, are found in most ores.

oxygen is by far the most abundant element in the earth's crust. nearly half of all the atoms in the earth are oxygen atoms. oxygen also makes up about one-fifth of the earth's atmosphere. nearly 90 percent of the weight of the oceans is due to oxygen. in addition, oxygen is thought to be the third most abundant element in the universe and in the solar system.