Answer the following question given this paragraph: Formaldehyde is a gas at room temperature. Acetaldehyde boils at 20C; in an open vessel, it boils away in a warm room. Most other common aldehydes are liquids at room temperature. Q: What form does formaldehyde take at room temperature? Choices: - solid - liquids - plasma - gas A:
gas
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Answer the following question given this paragraph: Cellular respiration occurs in three stages: glycolysis, the Krebs cycle, and electron transport. Glycolysis is an anaerobic process. The other two stages are aerobic processes. Q: Which process is glycolysis in during cellular respiration? Choices: - aerobic - hydrolysis - enzymatic - anaerobic A:
anaerobic
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Answer the following question given this paragraph: Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. Major organs of most plants include roots, stems, and leaves. Q: Plants have specialized organs that help them survive and reproduce in a great diversity of habitats. major organs of most plants include roots, stems, and what? Choices: - clusters - lungs - sacs - leaves A:
leaves
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Answer the following question given this paragraph: Experiments are sometimes hard or even impossible to do. For example, a scientist who is studying an extinct animal cannot experiment with the animal because it no longer exists. The scientist must rely instead on evidence in the natural world, such as fossils that the extinct animal left behind. Q: What can be hard or even impossible to perform in a scientific sense? Choices: - hypothesises - idea - theorys - experiments A:
experiments
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