Two of North and West Africa's most valuable were and A . ransports, iron and military B . commodities, weapons and salt C . commodities, gold and salt D . connections, gold and salt​

Witch layer of the atmosphere has the most air pressure

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

Which statement explains what upwelling causes? a. upwelling causes tides to rise and fall. b. upwelling causes changes in the direction of currents. c. upwelling causes nutrients, minerals, and tiny organisms to rise. d. upwelling causes currents in the pacific ocean to change direction. i think the answer is c.