You are viewing a single comment's thread from:RE: Vocab-ability–177 (petr = stone, rock) – A More Powerful Vocabulary (earn UpVotes with “Vocab Practice” exercise)View the full contextlovepreet2511 (52)in #vocab-ability • 6 years ago (edited)MY VOCAB PRACTICE Petroleum is non-renewable. Cement was a soft powder but it petrified after mixing water. My friend studies petrology. My friend's name is Peter.
Good work!