Which scale do seismologists use to indirectly measure the magnitude of an earthquake? a. moment magnitude scale
b. pyroclastic flow scale
c. elastic rebound scale
d. notable earthquake scale

the answer is:

carbon dioxide

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