Rent models that represent
of model is shown.
what type of model is shown?
a structural formula
o a chemical formula
a space-filling model
a ball-and-stick model

i do not know and i have a 100 in this class

primary succession occurs in essentially lifeless areas regions in which the soil is incapable of sustaining life as a result of such factors as lava flows, newly formed sand dunes, or rocks left from a retreating glacier. secondary succession occurs

yes, because even though a theory has a  lot of evidence to support it, it is not always true