#krotex #180104 #wavybone #spn fuck #riahnna #meg draws #tg2015 #spacecase #thhpii #gavialis
Link #science #environment #gulf of mexico #dead zone #anoxic #anoxia #hypoxic #hypoxia #fertilizer #pollution #nitrogen #phosphorus #mississippi river #louisiana #chemistry #oxygen #the earth story
Link #black sea #geology #science #anoxic #euxinia #oxygen #chemistry #carbon #river #bosporus #the earth story
Link #science #geology #sedimentary #sunday #mudstone #color #black #anoxic #black sea #sediment #the earth story #alaska