It's for science because theres no option (please help)​

Gold is not now being extracted from seawater. why not? a. it would be too disruptive to marine life to develop any marine mineral resources b. there is no gold in seawater c. we don't know how to extract minerals from seawater d. it would be too costly and difficult to separate the small amount of gold from the very large amounts of halite and other minerals

Asegment whose endpoints are points on the edge of the circle are whatps: i ment to put this under geometry i apologize ; ;

What volcanoes form on a divergent plate margin