Increased oil exploration is the most likely consequence of falling petroleum prices
Due to falling prices of petroleum, more private car owners will afford to fuel their cars hence there will be more cars on the roads. This will consequently cause a decreased demand for public transport and also a decreased uptake of electric cars. Ultimately due to the higher demand for the petroleum products (due to lower prices), oil exploration will increase to meet the increased demand.
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Increased interest in public transportation is the correct answer according to AP!X