The map below shows a position of the polar jet stream over north america in january
which map best shows the air-mass movements associated with this jet stream position?

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

Monk's mound in cahokia is an enormous earthwork very near to the mississippi river. what do archaeologists believe it was used for?

True/false indicate whether the sentence or statement is true or false. southern africa experiences droughts and floods. select the best answer from the choices provided t f