Why is it important that we learn about our solar system, the sun, and planets in our solar system other than Earth?

What is the main idea of the text: hammurabi's code

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