Considering the question context, to create an environmental campaign ad to show your views on single-use plastic is to design a four lines advert.
Single-used plastic is a form of plastic only used once before it gets thrown away. Single-used plastics are often referred to as disposable plastics.
Hence, in this case, it is concluded that there are various ways people can write adverts against Single-Used plastic.
Learn more about Single-Used Plastics here: https://brainly.com/question/12042906