What are three cell structures that all cells have?

All cells have a plasma membrane, ribosomes, cytoplasm

Explanation:

All cells have plasma membrane, ribosomes, cytoplasm, also DNA.

Prokaryotic cells don't really lack nucleus and membrane-bound forms.

Eukaryotic cells have a nucleus and membrane-bound structures, which is called organelles.

good thing- during decomposition the organic molecules in organic matter are broken down into simpler organic molecules that require further decomposition or into mineralised nutrients

bad thing- it can be harmful in crop productivity