The map above shows where people moved after Hurricane Katrina. In what ways do natural disasters affect the movement of people?

Which of the following energy sources is not an example of renewable energy? a. a wind turbine farm b. a clean-burning, coal-fired electric plant c. a hydroelectric dam d. a solar panel mounted on a home

How many time zone are there on earth

Because its government strictly controls its economy, north korea has a economy. a. command b. mixed c. traditional d. free market