Agriculture can contribute to depletion of aquifers because A. we wash our produce before eating it B. pesticides can runoff into oceans - C. irrigation water often comes from groundwater D. animal waste runs off into surface waters

c

explanation:

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

a symbiotic relationship with the mitochondria