The following activities can be done to pieces of wood, which of these can cause harm to the environment? A burning pieces of wood to be made as charcoal B. shaping pieces of wood to be made into a chair C using pieces of wood to be made as furniture D. forming pieces of wood as junior fence 5. Your father has celebrated his birthday yesterday, there were many empty plastic bottles of soft drinks left. What is the best way you can do with these empty plastic bottles in order to protect the environment? A throw the empty plastic bottles into the seashore B. make the empty plastic bottles as flower vases C. dump the empty plastic bottles in the landfill D. burn the empty plastic bottles​