You cannot use Carbon dating to find the age of something if it is... A. Too Old
B. Too Young
C. Not made of Carbon
D. All of the Above

endo:

regulates body hormones, aldosterone, vasopressin

neural:

signal, regulates body using electric signals, reflex

endo has to do with hormones; aldosterone and vasopressin are both hormones. i also had this question and got it right : d

what are the options

not sure if this is what you'r looking for nnew= nold

this age may represent the age of the earth's accretion, of core formation, or of the material from which the earth formed. this dating is based on evidence from radiometric age-dating of meteorite material and is consistent with the radiometric ages of the oldest-known terrestrial and lunar samples.