Explanation: Plants tends to manufacture for them self unlike animals, they use the energy gotten from the sun to convert carbon dioxide and water in energy rich sugar called glucose.
Also plants use leaves to make food for them self, oxygen is produced as a by-product and carbon dioxide is gotten from the atmosphere.
Amos feels Harry is responsible for Cedric's death.
Explanation:
Amos says, "How many people have died for the Boy Who Lived? I'm asking you to save one of them." He thinks that Cedric died for Harry to live, and that it is Harry's fault.