Higher frequency waves have greater energy.  Wendy increases the frequency of her radio's sound waves. These waves now have more or less energy?
more

As you increase the number of carbon atoms in a hydrocarbon, the number of isomers quickly increases.  A doubling of carbon atoms in a hydrocarbon will cause more or less isomers?
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The closer to the surface an aquifer is, the easier it is to get the water.  If Jean's aquifer has risen to the surface of the pool then the water is how easy to get into harder or easier?
easier