How might a dependence on fossil fuels lead to international security risks?

answer; ///i believe that the correct answer is (a) specialized cells)

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

instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully