Which sentences need a colon added? Select the two correct answers. (1 point) A reporter summarized the situation "The floodwaters are finally receding, and the cleanup has begun." Some fish have large teeth, such as the sheepshead fish and the payara. There are three main categories of ecosystems freshwater.marine, and terrestrial. The professor correctly predicted the results of her experiment, which showed that getting too little sleep caused people to make more mistakes. When thunderstorm updrafts lift raindrops into colder temperatures they form hail.