Definitely cell phone reception! However books could be argued for since they also are a good more than a necessity. However the last 2 i believe would be classified more as necessities than goods.
~Hope this helps!~
E - Continuous reinforcement. None of these are punishments and cassical conditioning involves assimilating two stimuli
Shaded relief maps show features on the surface, such as mountains, valleys, plateaus, and canyons.
works for edg
Answer:
Vibrations in the earth caused by the sudden release of energy, usually because of the movement of rocks along a fault.
