Answer the following question given this paragraph: Ionic crystals are composed of alternating positive and negative ions. Q: What are composed of alternating positive and negative ions? Choices: - magnetic crystals - polar bonds - radioactive substances - ionic crystals A:
ionic crystals
(Question)
Answer the following question given this paragraph: Q: Viruses lack metabolic enzymes and equipment for making what? Choices: - dna - acids - cells - proteins A:
(Answer)
proteins
Ques: Answer the following question given this paragraph: Refracting and reflecting telescopes are optical telescopes that use lenses to gather light. Q: Refracting and reflecting telescopes are optical telescopes that use lenses to gather what? Choices: - electricity - magnetic force - sound - light A:
Ans: light
(Q).
Answer the following question given this paragraph: The major types of radioactivity include alpha particles, beta particles, and gamma rays. Q: Alpha particles, beta particles, and gamma particles are major types of what? Choices: - visible light - sound waves - microscopy - radioactivity A:
(A).
radioactivity
Ques:Answer the following question given this paragraph: The temperature at which condensation of water vapor occurs is called the dew point. The dew point varies depending on air temperature and moisture content. Q: What is the temperature at which condensation of water vapor occurs called? Choices: - the tipping point - the boiling point - the cooling point - the dew point A:

Ans:the dew point
Answer the following question given this paragraph: The kidneys also secrete hormones that help maintain homeostasis. For example, they produce a hormone that stimulates bone marrow to produce red blood cells when more are needed. They also secrete a hormone that regulates blood pressure and keeps it in a normal range. Q: What organs secrete hormones that help maintain homeostasis? Choices: - the digestion organs - the lungs - the gonads - the kidneys A:
the kidneys