Define each of the following words physical feature diversity lower 48 abroad economy

•Physical feature: physical features are related to the environment, things that you can see and their characteristics such as water, mountains and vegetation.  

•Diversity: diversity is a broad term used to refer to the inclusion of different groups in a society or organization such as diversity of race, religion or age.

•Lower 48: lower 48 refers to the 48 continental states in United States as opposed to non-continental states such as Alaska and Hawaii.

•Abroad economy: also called international economy refers to transactions, trading and production among different countries and how these economic operations bring out effects on each country. These economic operations can be related to import or export of goods, technology, or services.

loess contribute to the flooding of rivers by providing the silt that is washed into rivers and constantly raises the bed of the rivers. this elevation above the surrounding flood plains and dams allow the river to overwhelm the dams and flood thousand of square miles of neighboring flood plains.

the 4th option is the answer