No todas las bacterias son perjudiciales los lactobacilos son bacterias que ayudan en la digestión
<span>The types of skeleton depend on where they are located. Earthworms have hydroskeleton because their rigid bodies are based on water pressure so it's hydro then. Endo is found in animals like birds and also humans who have it inside. Exo is found in spiders because they are bugs and bugs have their skeletons like a shell that covers them.</span>
I think the answer is C because minerals are broken down into the rock
Am pretty sure C or A but I think C
