A1.0-gram piece of zinc reacts with 5 milliliters of hcl(aq). which of these conditions of concentration and temperature would produce the
greatest rate of reaction?
(1) 1.0 m hcl(aq) at 20.°c
(2) 1.0 m hcl(aq) at at 40.°c
(3) 2.0 m hcl(aq) at at 20.°c
(4) 2.0 m hcl(aq) at at 40.°c

explanation:

since this is put under health, i would define "ethical (medical) behavior" the way the oath for doctors is recited.   "first do no harm."

but the term in general means when given a choice between right and wrong, we should always choose right. if we do, then we are practicing ethical behavior.

the answer is b & c i believe : )