Hi. Because the supply of natural gas was plentiful in comparison to other choices like coal and fuel oil, and because it burns clearer, many people changed their heating systems to natural gas thereby creating shortages.
What does the underlined it refer to? c.gas d.supply
Thanks in advance
Top answer
Gas.
— Blue Jay
Gas.
Free · every Monday
Get the Weekly English Kit 📬
New words, one handy idiom, and a 2-minute quiz — delivered to your inbox to keep your streak alive.