In the fragment of the text “Due in part to the turn away from oil in the 70s, today the United States produces just 0.7 percent of its electricity using petroleum. Therefore, the price of oil has no direct impact on the price of electricity” (lines 25-28), the linking word therefore introduces the idea of
In the fragment of the text “It all comes down to the relationship between oil and gas production and the price of electricity, which directly affects the bottom line of technologies like wind and solar” (lines 14-17), the pronoun which refers to
In the fragment of the text “Thankfully, this time around, the
outlook for renewable energy isn't so bleak" (lines 11-12), the
word bleak can be replaced, with no change in meaning, by
From the fragment of the text “Although oil and natural gas prices have decoupled in recent years, there is still an indirect link between the price of oil and the price of natural gas, because both oil and natural gas are often produced from the same well” (lines 38-42), it can be inferred that
