Differences in air pressure over the surface of the Earth result in wind. The greater the differences in air pressures, the stronger the wind.  Lana is noting that the wind lately has been very weak. Lana can now tell that the air pressures over the Earth's surface have had differences that are greater or lesser?
lesser
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Breast cancer is rare in teens but becomes more common as females get older.  As people get older they generally become healthier or less healthy?
less healthy
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For a given medium, sound waves travel more slowly at lower temperatures.  Compared to sound waves travelling through a cup of boiling water, would sound waves travelling through a cup of ice water move slower or faster??
slower
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Size restriction: The final body size is limited because as the body size increases, the surface area to volume ratio decreases.  John was watching the car being built. He observed that the larger the body size, the surface area to volume ration Increased or Decreased?
Decreased
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