(Question)
The size of an ocean wave depends on how fast, over how great a distance, and how long the wind blows. The greater each of these factors is, the bigger a wave will be.  John was watching the ocean from the beach and after a long period of observation, he concluded that the more wind there is, that the waves will become Bigger or Smaller?
(Answer)
Bigger


(Question)
Solar power is expensive, but as demand increases technology improves and costs decrease.  As more solar panels are made the price of them will go up or go down?
(Answer)
go down


(Question)
Air pressure is less at higher elevations.  We don't need oxygen masks when we descend Everest because the air pressure is low or high?
(Answer)
high