Cual es la importancia de la geografia​

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

Which property of soil depends on the size of particles? color odor temperature texture

The yellow river is also known as the huang he river? true or false