So my teacher and I were talking about chemical and Physical changes and we didn't know if blood turning red was a chemical, or physical change. Could you help me?

Stage in which a star’s outer layers have started to cool and grow outward?

Which sentence from holes contains an implied personality trait? stanley and his parents had tried to pretend that he was just going away to camp for a while, just like rich kids do. he'd just been in the wrong place at the wrong time. stanley felt somewhat dazed as the guard unlocked his handcuffs and led him off the bus. stanley nodded to show he understood

What mass of glucose is produced when 54g of water react with carbon dioxide