What does a molecule of a substance that is made up if three elements look like

Whether something is a molecule or not depends on the type of bond that is formed when its atoms join together. In general, electrons can be shared between atoms (a molecular bond) or electrons can be completely removed from one atom and given to another (an ionic bond). Molecules have molecular bonds.

Explanation:

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