In the diagram below, OO is circumscribed about quadrilateral DEFG. What is
the value of X?

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

69 is the correct math for the amino acids

only about ten percent of the energy at one trophic level is passed on to organisms at the next trophic level. the remainder of the energy is used in life processes or lost as heat.

what are the awnser choices? i mean, without choices, it is an incompleat