What is a photographic lighting technique in which an object is illuminated from the side to create shadows that show details? a) front directional lighting b) oblique lighting c) infrared lighting d) split lighting

it is important to conserve water because there is very limited amount of freshwater here on earth and if we are not smart about how we use it we will only be runnning out of our supply faster than neccessarry.

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.