what percentage of coral has been lost from the Great Barrier Reef since 1985 A. 30% B. 45% C. over 50% D. nearly 75%​

Where is the only location in the united states where you drive on the left side of the road?

Crisis in rivalries between the serbs, croatians and muslims has been going on for centuries and only intensified during the 1990s when non-communist rulers were elected

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