Given an unknown mixture consisting of two substances, explain how a scientist could use lab techniques to. determine whether the mixture is a true solution, a colloid, or a suspension.

Write a paragraph that provides examples of each stage of volcanic activity, a description of the volcano, and facts about each stage.

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

What produces wave a)sound b) heats c)transfer of energy d)vibrations