Question
Complete the sentence with the present perfect form of the verb
Earthquakes _________ Oklahoma with increased frequency in recent years, and some scientists believe that this seismic activity is related to wastewater from oil drilling being pumped underground
Earthquakes _________ Oklahoma with increased frequency in recent years, and some scientists believe that this seismic activity is related to wastewater from oil drilling being pumped underground
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GPT 3.5
have been occurring
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