Ques:Many of the worlds people live with water scarcity, and that percentage will increase as populations increase and climate changes.  The population in Milo's city has been decreasing recently. What will happen to the city's level of water scarcity decrease or increase?

Ans:decrease
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Ques:In the mesosphere, temperature decreases as altitude increases.  Milo is flying a rocket in the mesosphere. If he decreases his altitude, what happens to the temperature increases or decreases?

Ans:increases
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Ques:At higher elevations, there is less air to press on a given area.  Allen is riding his bike on a path. The course ends up 1000 feet higher above sea level compared to the beginning. At which point is the air resistance lower at the beginning or at the end?

Ans:at the end
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Ques:For a given medium, sound has a slower speed at lower temperatures.  When Dave screams outside he notices that the sound travels at different speeds in different temperatures. The sound travels faster when it is cold. or hot?

Ans:
hot
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