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What is the best definition for the scientific term "theory"? A scientist's initlal tentative proposal when beginning an investigation. A controlled exploration of nature according to a planned stratezy. A statement that has been supported by an experiment: A statement that has been contradicted by an experiment. Question 2 (0.5 points) What branch of chemistry studies the compounds and reactions of elements other than carbon? organic chemistry inorganic chemistry physical chemistry analytical chemistry blochemistry alcherny Question 3 10.5 points) The following picture most likely represents what type of substance? A pure compound in the liquid state. A pure compound in the solid state. A pure clement in the liquid state. A pure element in the sofid state. A homogeneous miatur in the selid state. Question 4 (o.s points) Which althe tollowing as a chemiral chunge? ralt discolving in water water eviporaths caseline turmiey plam breaking