What is are to types of matter that considered pure?

How do you get snivy in platinum? How much land in the Philippines is arable? What is the measure of the amount of mass in a givin volume? What is a suffix for astronomy? Why do kids start fires? What is a distugushing characteristic of a saturated fatty acid? What is half-life of cobalt? How much is 85.5 kilogram? A car with a meter that registers fare per fraction of mile? 600 square feet of 4 inch concrete equals how many yards? A container is filled to a depth of 18.0 cm with water On top of the water floats a 33.0-cm thick layer of oil with specific gravity 0.800 What is the absolute pressure at the bottom of the container? What is the main carbon source for synthesis of sugar in plants? What best describes matter in the continual cycle of growth reproduction death and decay of organisms? How did the geography and climate of the Pacific Northwest and the Arctic affect the Native Americans there? What is a surface that represents a missing part of the geologic column called? What unit of measure does a odometer measure? Which layer is broken into sections called plates? What does it mean if your RF is 250? What animal can be found in Marinduque? Describe the plants and animals in the Inca environment?