More advanced farming practices allowed a single farmer to grow food for many more people.  Farmer Bill got a new machine to sift his wheat. This machine allows him to grow more or less food?
more
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As greenhouse gases increase, changes will be more extreme.  When we have a lot of greenhouse gases in the air what happens to the temperature increases or stays the same?
increases
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The development of better missiles fostered better rocket technologies.  Ryan wants to have better technology in the world, so do have that, he will need for the things currently being developed to be better or worse?
better
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Larger telescopes can collect more light.  A decrease in the size of a telescope results in a/an increase or decrease in ability to collect light?
decrease
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