Astudent weighs a sample of sugar and records the measurement. he the writes down his observations on the appearance of the sugar, describing it as a white, crystalline solid. explain why both of these pieces of information represent data that the student collected.
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The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.