What is easter island best known for

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

Why the moon is not visible from earth during the new moon ?

The ratio of the measures of the three angles in a triangle is 14: 15: 11 find the measures of the angles