What is examples of written communications

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

In a command economy, the majority of goods and services are provided by the

Ron is moving to oceania because his mining company recently opened a new operation there. to which of the following islands is ron most likely going? a. papua new guinea b. bikini atoll c. tahiti d. palmyra atoll