Questions with the keyword 'oxygen'

• Why do apples go brown when theyre exsposed to oxygon? why dont they go rainbow or orange? by HazzieTheBear to Jim Comments: (So far, one comment )
• why do apples go brown when exposed to oxygen not orange or rainbow? by Ellie and 1 other. to Adrian, Gaia, Jim, Scott, Vicky Comments: (No comments so far )
• how does oxygen get into muscles? wow by JimRules to Adrian, Gaia, Jim, Scott, Vicky Comments: (No comments so far )