Ques:Q: What are ionic compounds that produce hydroxide ions when dissolved in water? Read this paragraph and choose the correct option from the provided answers: Bases are ionic compounds that produce hydroxide ions when dissolved in water. Choices: - isotopes - acids - enzymes - bases A:

Ans:bases
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Ques:Q: Metals are good conductors of what? Read this paragraph and choose the correct option from the provided answers: Metals are elements that are good conductors of electricity. They are the largest of the three classes of elements. In fact, most elements are metals. Look back at the modern periodic table ( Figure above ) in this chapter's lesson "How Elements Are Organized. " Find the metals in the table. They are all the elements that are color-coded blue. Examples include sodium (Na), silver (Ag), and zinc (Zn). Choices: - light - metabolism - sound - electricity A:

Ans:electricity
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Ques:Q: Mammals that lay eggs are called what? Read this paragraph and choose the correct option from the provided answers: Mammals have separate sexes and reproduce sexually. They produce eggs or sperm and must mate in order for fertilization to occur. A few mammals are oviparous. They lay eggs, which later hatch. These mammals are called monotremes. Most mammals are viviparous and give birth to live young. These mammals are either placental mammals or marsupials. Placental mammals give birth to relatively large and well-developed fetuses. Marsupials give birth to smaller, less-developed embryos. In both placental and marsupial mammals, the young grow and develop inside the mother's body in an organ called the uterus. At birth, they pass through a tube-like organ called the birth canal, or vagina. Choices: - viviparous - herbivores - marsupial - monotremes A:

Ans:monotremes
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Ques:Q: Because their embryos are surrounded by a thin membrane, reptiles are considered what? Read this paragraph and choose the correct option from the provided answers: Reptiles are also amniotes, which means their embryos are surrounded by a thin membrane. Choices: - carnivorous - vertebrates - lineages - amniotes A:

Ans:
amniotes
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