A deep freeze this week in the Lone Star state, which relies on electricity to heat many homes, is causing power demand to skyrocket. At the same time, natural gas, coal, wind and nuclear facilities in Texas have been knocked offline by the unthinkably low temperatures.     “The extreme cold is causing the entire system to freeze up,” said Jason Bordoff, director of Columbia University’s Center on Global Energy Policy. “All sources of energy are underperforming in the extreme cold because they’re not designed to handle these unusual conditions.”     The ripple effects are being felt around the nation as Texas’ prolific oil-and-gas industry stumbles.      It’s striking that these power outages are happening in a state with abundant energy resources. Texas produces more electricity than... Ver mais

The expression “foot the bill” means:

Turn the following sentence into Reported Speech: The doctor said to the nurse: Where is our patient?

Which assertion does not match the masculine and feminine pair of the noun?