Dead zones form when bacteria use up so much oxygen in the water that other organisms can't survive. * true or false

The statement is True.

Explanation:

When bacteria use up the oxygen in the water after an algal bloom, animals don’t have enough oxygen to breathe and survive. That includes everything from tiny krill to large fish and sharks. If they can’t swim fast enough to escape the low-oxygen area, these animals suffocate. Scientists call these places “dead zones.

to and without are prepositions, so a, b, and d are prepositional phrases. the adverb phrase is c, about the surprise.

explanation: