Sentences with phrase «called ocean anoxia»

These low oxygen levels (called ocean anoxia) help trigger the conditions needed for making fossil fuels like oil and coal in the first place.

Not exact matches

Previous studies demonstrated that the loss of dissolved oxygen in Earth's oceans, an effect called «marine anoxia,» played an important role in the mass extinction event.
a b c d e f g h i j k l m n o p q r s t u v w x y z