The abundance of nutrients at the ocean's surface is a result of
a. seamounts.
b. deep currents.
c. tides.
d. upwelling.

The coco river is a natural border between nicaragua and which other country

The vegetation that thrives in the tundra is limited to a. mosses, barley, wheat, and corn. b. coniferous trees. c. dwarf shrubs, mosses, lichen, potatoes, and beans. d. mosses, lichen, algae, and dwarf shrubs.

In yusel komunnyakaa's camouflage the chimera what is a chimeraa animal coming to vietnamb a type of military outfitc mythological creatured nick name for military units