Q: Q: Which metal is not solid at room temperature? Read this paragraph and choose the correct option from the provided answers: All metals except for mercury are solids at room temperature. Many metals are shiny, ductile, and malleable. Most are also good conductors of heat. Choices: - silver - aluminum - titanium - mercury A:
A: mercury

Q: Q: Aerobic exercise helps improve the cardiovascular system, while what exercise causes muscles to get bigger and stronger? Read this paragraph and choose the correct option from the provided answers: Aerobic exercise helps improve the cardiovascular system, while anaerobic exercise causes muscles to get bigger and stronger. Choices: - endurance - skeletal - enzymatic - anaerobic A:
A: anaerobic

Q: Q: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of what on lakes? Read this paragraph and choose the correct option from the provided answers: Calcium hydroxide and calcium carbonate are effective in neutralizing the effects of acid rain on lakes. Suggest other compounds that might be effective in treating lakes. Give a plausible reason to explain why Ca(OH)2 and CaCO3 are used. ♦️ Approximately 95% of the chlorine produced industrially comes from the electrolysis of sodium chloride solutions (brine): NaCl(aq) + H2O(l) Cl2(g) + H2(g) + NaOH(aq) Chlorine is a respiratory irritant whose presence is easily detected by its penetrating odor and greenishyellow color. One use for the chlorine produced is in the manufacture of hydrochloric acid. Choices: - oil rain - ozone rain - dioxide rain - acid rain A:
A: acid rain

Q: Q: In the simple cubic system, the atoms or ions are located in which part of the cell? Read this paragraph and choose the correct option from the provided answers: Three unit cells of the cubic crystal system. Each sphere represents an atom or an ion. In the simple cubic system, the atoms or ions are at the corners of the unit cell only. In the face-centered unit cell, there are also atoms or ions in the center of each of the six faces of the unit cell. In the body-centered unit cell, there is one atom or ion in the center of the unit cell in addition to the corner atoms or ions. Choices: - mitochondria - plasma - walls - corners A:
A: corners