Scandinavian people came to our country from all of the following except: a. belgium b. sweden c. finland d. denmark

Which agents contribute to erosion? sunlight. shorelines. moving water. ice and glaciers. humans and animals.

Ozone in the upper atmosphere has been depleted by a. sulfur dioxide. b. chlorofluorocarbons. c. carbon dioxide. d. oxygen.

Which statement about this figure is false