Who does cycling of matter occur in earths mantle

What type of electromagnetic radiation has a shorter wavelength than blue light

Which of the following describes a compound? (hint: carbon and oxygen bo a. a piece of pure carbon, containing only carbon atoms b. oxygen gas surrounding a solid piece of carbon c. a substance made of two oxygen atoms for each carbon atom carbon and oxygen atoms mixed without being bonded together

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.