Answer: Phosphate is colorless , soft, waxy solid that glows in the dark when at room temperature.
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Answer:The colonization of Mars has received interest from public space agencies and private corporations and has received extensive hypothetical treatment in science fiction writing, film, and art.
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Answer:
Measuring its density and comparing your result to a list of known densities, or other properties that give you useful info
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You can use observations about substances to form a hypothesis about the substance by comparing it to others. Ex: if something is magnetic it must be made of one or more of the elements iron, cobalt, or nickel.
A computer screen is energy transfer
