This accident … revealed the truth. A.will B.was C.has Answer and Feedback Answer:C do you want? view more test Xem thêm Share this post Some other questions you may be interested in. Which one of the following is used as a moderator in nuclear reactor ? Recording of sound on tapes was first invented by Which one of the following would be most powerful electro magnet? Production of beats is a result of the phenomenon of? It is easier to roll a stone up a sloping road than to lift it vertical upwards because Which of the following measurements is not a unit of distance? Energy travels from Sun to Earch through Scalars are quantities that are described by ___ Which instrument is used to measure altitudes in aircraft? The working principle of a washing machine is