The answer is: Santorio’s thermometer required mercury to work properly. Because both of them are portable not just the one is. And, also, A thermometer does not measure in Kelvin. If this helps, thank me. If this really helps, thank me and, crown me brainiest answer. Also, rate, and comment. This helps me to improve answering, and helps you to get a better answer.
Light. That's the chemical equation for photosynthesis
16 percent of the world's population and 50 percent of the Christians population.
They are important because so people do not get sickness
