Which group of words from each sentence is a gerund phrase?Using energy-efficient light bulbs has been helping people to cut down on waste. *

eli whitney was an american inventor best known for inventing the cotton gin. this was one of the key inventions of the industrial revolution and shaped the economy of the antebellum south.

honestly you should not write it the word placement is not right and this does not sound right so i think you should write it this way. the life lessons i refused to learn, taught me the hard way this sounds way better you should try it! hope this is very !

the answer is   c the cold war