PLEASE HELP! Stefan performs best on his algebra test when he studies in his teacher's classroom after school. Which term best explains this occurrence?

Bottom-up processing
Context effects
Perceptual set
Sensory adaptation
Transduction

Which of the following activities would conserve the most energy? installing a dimmer switch on a light using a blender instead of a food processor hanging clothes to dry on a clothesline instead of ironing them opening a window instead of turning on the air conditioning setting your computer's screen saver to turn on after less time has elapsed