Dendrochronologist
<span>Dendrochronology (or tree-ring dating) is the scientific method of dating <span>tree rings.</span></span>
I believe the answer is Axis III
In psychiatric problem, the doctor could make diagnosis in 5 different axis to make sure they assess the patient comprehensively. Axis III is dedicated for general medical condition. In this case, serious cystic acne and bad skin would be categorized as general medical condition because it was not psychological or personality disorder.
The stem
they get sun water and air separated it and put it back together
<span>Connective tissue often consists of relatively few cells embedded in an extracellular matrix.</span>
Not much information ab the question ?