What is semispeciation?

What is Balanced equation for what happens when limestone is heated? Can sandstone conduct electricity? Do scientists disagree with each other? What does make a key in science mean? True or false The theory of evolution is more certain than the law of gravity? Can you guys please give me an easy summary of air? Are there different types of teapots? What are the questions about in the year 9 science exam? Why is cotton mather best remembered in the annals of science? What are the different types of lessons? What is the difference between a generalization and inference? What are elements and the periodic table? What are two ways that scientists make observations? Isaac Newton was married six times and had thirteen children? Does any boby know Journal of Environmental Protection I was invited to submit one paper, but I am not sure if I can give a try? What animals eat black widows? List three characteristics required of a good sewage indicator? How km is 200 miles? What Grayish blue or red or examples of what property? What is used in Australia Celsius or Fahrenheit?