What large plateau occupies the heart of india?

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

The large connected urbane area from boston to washington, d. c. is often referred to as

Which of the following is not an effect of land substance