Is llama decomposer consumer or a producer??

Nuclear fusion is the source of energy for stars. besides hydrogen, which other element is most likely also common in stars?

Find the number of moles of argon in 364g of argon.

Some liquids can be distilled, but only at temperatures that are so high that it is impractical, or so high the compound decomposes. explain why distillation such compounds at significantly less than atmospheric pressure (some degree of vacuum) would solve this problem.