Answer: Volcanic eruptions form precipitates shifting of tectonics plates form minerals
The correct answer is D.Bioaccumulation
This means accumulation of biological material which is never done by beneficial bacteria.
<span>The correct answer is radial symmetry, meaning that it they have a central axis like sponges and jellyfish do, and they are mostly sexual but there are some asexual species. In addition, animals like jellyfish which belong to cnidaria are coelomates. The phyllum is too big for it to be precisely defined under these categories what belongs where.</span><span />