Given the fact that: Plug-in hybrids run for a longer time on electricity and so are less polluting than regular hybrids. Answer the question: Do gas engine cars pollute more or less than electric engine cars more or less?
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Given the fact that: More advanced farming practices allowed a single farmer to grow food for many more people. Answer the question: Farmer Bill got a new machine to sift his wheat. This machine allows him to grow more or less food?
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Given the fact that: In bigger atoms, valence electrons are farther from the nucleus. Answer the question: If Mona is measuring atoms and she finds out that one atom is smaller then another, what does that imply about the distance of electrons from the nucleus of that atom closer together or farther away?
closer together