Answer: after a while everything would be dead
Explanation: because of no oxygen all life will simply die

LOWA is the state which is bordered by the Mississippi River on the east , the Missouri River and the Big Sioux River on the western side .
HOPE IT HELPS YOU.
It is increasing because the ice is melting and glaciers.
Answer:
Dense water sinks below less dense water. This is the principle that drives the deep ocean currents that circulate around the world. A combination of high salinity and low temperature near the surface makes seawater dense enough to sink into the deep ocean and flow along the bottom of the basins.
Watershed is probabley the answer you are looking for