the specific heat of copper is 385 j/kg times Celsius. Find the change in thermal energy for copper pipe with a mas of 8kg when it is heated from 12 Celsius to 21 degrees celsius. Please show me how to do it:(

The answer is water molecules are split.cellular respiration and photosynthesis are complement  reactions to each other. these are reverse reactions. in cellular respiration glucose and oxygen yield water and carbon dioxide. so, when respiration begins,  glucose molecules are split. in the opposite reaction - in photosynthesis, carbon dioxide and water yield glucose and oxygen. thus,  when respiration begins, water molecules are split.

Answer:   [a]:   "slate" .