In Figure 7-2. are the animal burrows in B an example of chemical or mechanical weathering?

answer; the above answer to the above statement is (true)

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