What are the two main processes scientists use to measure the age of Earth and its parts?

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

11. plate divergence is best described as a/an process. a. orogenic b. epeirogenic c. isostatic d. taphrogenic

How is france’s culture important to its economy