What is a forgiven-er?

Examples include radiation and UV light for bioligy? Why did scientists know about Ceres for so long before the other dwarf planets? How efficient are oil heaters compared to other types of heating systems? Is the Mercator the best map for calculating directions? Is Obsidian an extrusive rock or intrusive rock? When is a chemical or solution considered an explosive hazard ssd? My hamsters gave birth to two babies today and they were both eaten. How should I take care of the babies when the next ones come out? Which polysaccharide is found in connective tissues? Can an electric company truly charge you a high bill like 400.00 on an electric bill? What Destruction of red blood cells results in the waste product called? What flame color emits more photons? The chemical reaction of Barfoed's test? Is carbon monoxide harmful in fish? What makes aluminum a metal and carbon a nonmetal? Does composting release CO2 into the atmosphere? How is chromatography used? How many moles of methane are produced when 71.1 moles of carbon dioxide gas re? What solid is formed upon addition of silver nitrate to a solution of cobalt chloride? Is air freshener inorganic or organic? What are tiny but of liquid or solid matter called?