Please explain in one sentence: what is the difference between disinfectants and antiseptics?.

indicate valleys, hills, steepness and gentleness of slopes.

explanation:

contour lines on a map indicate elevation, or depth. numeric notations on contour lines refer to the level of elevation, or height about sea level.

i think that the answer is c

nuhygjhuhuouh9oygyuhuh8h9guig97uogh8uog978o0rfyhkmkv h