As air on the surface of earth warms, the density of the air decrease increase or remains the same

answer'(basidium)the spore--bearing structure of a basidiomycete is called a basidiocarp; ///

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

b. lithosphere, asthenosphere, mesosphere   is the answer most likely