(Question)
Q: What are regular changes in biology or behavior that occur in a 24 hour cycle? Read this paragraph and choose the correct option from the provided answers: Circadian rhythms are regular changes in biology or behavior that occur in a 24-hour cycle. In humans, for example, blood pressure and body temperature change in a regular way throughout each 24-hour day. Choices: - cognitive rhythm - auditory rhythm - life cycle - circadian rhythm A:
(Answer)
circadian rhythm

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Q: What is the scale on which acidity is measured? Read this paragraph and choose the correct option from the provided answers: The concentration of hydronium ions in a solution is known as acidity. In pure water, the concentration of hydronium ions is very low; only about 1 in 10 million water molecules naturally breaks down to form a hydronium ion. As a result, pure water is essentially neutral. Acidity is measured on a scale called pH , as shown in Figure below . Pure water has a pH of 7, so the point of neutrality on the pH scale is 7. Choices: - m - hp - g - ph A:
(Answer)
ph

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Q: What is the disease in which bones lose mass and become more fragile and likely to break? Read this paragraph and choose the correct option from the provided answers: Osteoporosis is a disease in which bones lose mass and become more fragile than they should be. Osteoporosis also makes bones more likely to break. Two of the easiest ways to prevent osteoporosis are eating a healthy diet that has the right amount of calcium and vitamin D and to do some sort of weight-bearing exercise every day. Foods that are a good source of calcium include milk, yogurt, and cheese. Non-dairy sources of calcium include Chinese cabbage, kale, and broccoli. Many fruit juices, fruit drinks, tofu, and cereals have calcium added to them. It is recommended that teenagers get 1300 mg of calcium every day. For example, one cup (8 fl. oz. ) of milk provides about 300 mg of calcium, or about 30% of the daily requirement. Choices: - arthritis - tuberculosis - fibrosis - osteoporosis A:
(Answer)
osteoporosis