What are the three main parts that GAIA is composed of

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

the number of valence electrons for each molecule or ion is shown beneath the structure. remember hydrogen will not have more than two electrons. this hydrogen is part of a covalent bond (sharing two electrons). a double bond here would cause hydrogen to share four electrons with phosphorus.

where are the choice options?