Arrange 4 types of coal in increasing order of Carbon content and Hardness : .Lignite-20% , peat-80% , Bituminous, 40% , Anthracite-10% .Peat-20% , Lignite-20-40%, Bituminous-80%, Anthracite-90% .Anthracite-80%, Lignite-10% , Bituminous-20% , Peat-90% .Lignite-20% , peat-40% , Bituminous, 80% , Anthracite-10%

Chen drew a diagram to compare the ways in which different organisms obtain nitrogen. which label belongs to the area marked z?

Which ocean zone has the most abundant primary producer and why a) the abyssopelagic zone ,du to the absence of light and cold water temperatureb) the bathypelagic zone, due to the absence of light and cold water temperaturec) the mesopelagic zone ,due to uts high light availability and warm water temperature d) the epipelagic zone,due to its high light availability and warm water temperature

If you need to add 27.50ml of a solution, which piece of glassware would you use to deliver this volume and explain how you would determine if the 27.50 ml was measured?