Examlex
By pairing the ringing of a bell with the presentation of meat,Pavlov trained dogs to salivate to the sound of a bell even when no meat was presented.In this experiment,the ringing of the bell was the __________.
Nonrenewable Sources
Energy sources that cannot be replenished in a short period, such as coal, oil, and natural gas.
Renewable Sources
Energy sources that are replenished naturally and sustainably, such as wind, solar, and hydroelectric power.
Transitional Expression
Phrases or words used to link sentences and paragraphs smoothly, helping to signal connections between ideas.
Spotless Perfectionists
individuals who strive for flawless cleanliness and perfect results in all they do.
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