Why are decomposers important?
they break down dead and decaying organic material.
they return nutrients and elements to a usable form in the environment.
they consume the most energy of all the trophic levels.
both a & b are correct.

this website is for anybody really not just for girls just saying, also while a lot of males are mean and you know there are the few who are kind and then there's the nice-guys but then theirs also guys like me who are shy we don't get out much because there are people like you who exist who would most likely punch a guy in the face so next time just think about things before you post them to a website where guys and girls can see your question.

preservation because he preserves part of the land and preserves means save

explanation: