complete the following sentence. when a substance loses oxygen it has been __________. February 22, 2026 • 1 min read TwitterFacebookWhatsAppLinkedInTelegramCopy Link When a substance loses oxygen it has been reduced. Written by Murugan "The more that you read, the more things you will know. The more that you learn, the more places you'll go." — This philosophy guides my writing and exploration of ideas.