5. Which of these models can be best used to study the movement of water on land surfaces? (3 points)

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

What is the difference between external & internal migration

Russia is to the east if germany ? true or false