Ques:Q: Most diseases caused by bacteria can be cured by which medicines? Read this paragraph and choose the correct option from the provided answers: Living things that cause human diseases include bacteria, fungi, and protozoa. Most infectious diseases caused by these organisms can be cured with medicines. For example, medicines called antibiotics can cure most diseases caused by bacteria. Bacteria are one-celled organisms without a nucleus. Although most bacteria are harmless, some cause diseases. Choices: - hydroxides - antioxidants - inhibitors - antibiotics A:

Ans:antibiotics
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Ques:Q: What is a measure of the amount of space that a substance or an object occupies? Read this paragraph and choose the correct option from the provided answers: Volume is a measure of the amount of space that a substance or an object takes up. The basic SI unit for volume is the cubic meter (m 3 ), but smaller volumes may be measured in cm 3 , and liquids may be measured in liters (L) or milliliters (mL). How the volume of matter is measured depends on its state. Choices: - mass - density - power - volume A:

Ans:volume
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Ques:Q: What term means the time in which half of the original number of radioactive nuclei in a sample decay? Read this paragraph and choose the correct option from the provided answers: Half-Life Why use a term like half-life rather than lifetime? The answer can be found by examining Figure 31.21, which shows how the number of radioactive nuclei in a sample decreases with time. The time in which half of the original number of nuclei decay is defined as the half-life, t 1 / 2 . Half of the remaining nuclei decay in the next half-life. Further, half of that amount decays in the following half-life. Therefore, the number of radioactive nuclei decreases from. Choices: - reduced life - quarter-life - partial-life - half-life A:

Ans:half-life
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Ques:Q: If a unit is named after a person it needs to be? Read this paragraph and choose the correct option from the provided answers: If a unit is named after a person, it is capitalized. So you write "10 Newtons," or "10 N," but "10 meters," or "10 m. ". Choices: - forgotten - squandered - short - capitalized A:

Ans:
capitalized
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