What is the term for a plant's movement or growth in response to light? A) geotropism B) hydrotropism C) thigmotropism D) phototropism

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Why should the scientific method be used to answer a question? a. it provides a way to test an idea without any bias. b. it provides a way to test a hypothesis. c. it provides a way to ensure all hypotheses are proven correct. d. it provides a way to quickly turn a hypothesis into a scientific theory.

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.