When there are no decomposers, what happens to the grass?

if there would have been no decomposers on Earth, the whole of the Earth would have been filled with dead and decaying matter of plants and animals.

Explanation:

I hope this helps :3

organisms are more likely to be more preserved in mud than sand because mud is moist and wet, while sand is very dry.

i just learnt this recently but i need to look through my notes again