Q: Which type of eruptions created the entire ocean floor? Read this paragraph and choose the correct option from the provided answers: The most obvious landforms created by lava are volcanoes. These are mostly cinder cones, composite volcanoes, and shield volcanoes. Eruptions also take place through other types of vents, commonly from fissures ( Figure below ). The eruptions that created the entire ocean floor are essentially fissure eruptions. Choices: - formation eruptions - fault eruptions - lava effusion - fissure eruptions A:
fissure eruptions
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Q: How many identical daughter cells are created at the end of cytokinesis? Read this paragraph and choose the correct option from the provided answers: At the end of cytokinesis there are two genetically identical daughter cells. Choices: - four - three - one - two A:
two
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Q: What are centrioles made from? Read this paragraph and choose the correct option from the provided answers: Centrioles are made of short microtubules and are very important in cell division. Choices: - carbon - short filaments - short particles - short microtubules A:
short microtubules
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Q: Pure substances have a constant composition and can only be changed through what? Read this paragraph and choose the correct option from the provided answers: When studying the different states that matter exhibits, we have been looking at pure substances . Pure substances have a constant composition and can only be changed through chemical reactions. Constant composition indicates that a sample of a pure substance always contains the same elements in the same proportions. There are two main types of pure substances:. Choices: - heating - dissolution - liquid reactions - chemical reactions A:
chemical reactions
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