A200 g piece of iron is heated to 100°c. it is then dropped into water to bring its temperature down to 22°c. what is the amount of heat transferred to water?

Scientists follow specific processes in order to determine valid explanations and conclusions from observations. david observed strange lights in the sky above his home outside of roswell, new mexico. the only explanation that makes sense to him is that there are ufos in the area. what should david do next to verify his explanation?