Q: Q: What are magnesium carbonate, aluminum hydroxide, and sodium bicarbonate commonly used as? Choices: - salts - antibiotics - antidepressants - antacids A:
A: antacids

Q: Q: What is a thin layer of gas that surrounds earth called? Choices: - the cloud cover - the dioxide - the wind cycle - the atmosphere A:
A: the atmosphere

Q: Q: What begins when a neuron receives a chemical stimulus? Choices: - a induce impulse - a metabolism impulse - nerve reaction - a nerve impulse A:
A: a nerve impulse

Q: Q: An aqueous solution is a homogeneous mixture in which the most abundant component is what? Choices: - air - oxygen - blood - water A:
A: water