Q: What is the branch of science that studies the physical world? Choices: - social science - botany - Ecology - physics A:
physics
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Q: Regardless of the mode, light is modeled as traveling in straight lines called what? Choices: - waves - arrows - electrons - rays A:
rays
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Q: What are the three classifications of elements? Choices: - metals, non-metals and alkaloids - metals, metaloids, and alkaloids - alkaloids, metaloids, and non-metals - metals, non-metals and metaloids A:
metals, non-metals and metaloids
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Q: What is the name of the command center of the cell? Choices: - mitochondria - molecules - vacuole - nucleus A:
nucleus
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