Particles in liquid and in gas show random motion . why

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The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Which statement correctly identifies the scientific question and describes why the question is scientific? question 1 refers to the supernatural.question 2 reflects a moral or social value.question 3 refers to something that can be measured.question 4 reflects a question that can’t be observed.

Which substance is a steroid? cholesterol fatty acid monosaccharide trans fat