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Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder. Which graduated cylinder is suitable for use?Select one of the options below as your answer: A. Plastic cylinder B. Glass cylinder C. Metal cylinder
Weegy: Susan needs to measure and heat the chemical she wants to use in an experiment with a graduated cylinder. Which graduated cylinder is suitable for use? B. Glass cylinder [smile] (More)
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Asked 5/21/2013 8:46:26 AM
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Which of these is an example of elemental carbon? Select one of the options below as your answer: A. Diamond B. Methane C. Proteins
Weegy: A. Diamond is an example of an elemental carbon. (More)
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Asked 5/21/2013 8:43:31 AM
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A group of paleobiologists were studying sedimentary rocks in the Rocky Mountains of North America. What order of organisms would they find in the layers of these sedimentary rocks?Select one of the options below as your answer: A. All organisms are arranged randomly in the layers of sedimentary rocks. B. Newest organisms are at the bottom and the oldest organism is in the top-most layer of the sedimentary rocks. C. Oldest organisms are at the bottom and the newest organism is in the top-most ...
Weegy: c.Oldest organisms are at the bottom and the newest organism is in the top-most layer of the sedimentary rocks. User: While studying the embryos of deer and hens, Bryan found marked similarities in them. Even though deer and hens are very different as adults, their embryos are very similar. Which of the following correctly explains this similarity?Select one of the options below as your answer: A. Deer and hens share an common, early ancestor. B. Deer and hens share a common, recent gene pool. C. Deer and hens share a common habitat. Weegy: A. Deer and hens share an common, early ancestor. User: People living in equatorial countries have a darker skin tone than others. What would be the reason for this change in skin tone?Select one of the options below as your answer: A. The ancestors of the people living in equatorial countries must have undergone a mutation for protection from malarial parasites and therefore evolved a darker skin tone. B. The ancestors of the people living in equatorial countries must have undergone evolutionary adaptation for protection from harmful UV rays that fall straight on the equator. C. People living in equatorial countries develop a darker skin tone due to the exposure to harmful IR rays falling straight on the equator, which damages Weegy: The temperate forest biome is found in regions where winters are cold and summers are warm. Tropical rainforests are in regions that are consistently warm all year long, close to the equator. User: The Amish population who migrated from Europe to the United States had very few individuals in their population. Additionally, their gene pool shows very few alleles due to inbreeding. A genetic trait called polydactyly (having six fingers), which is rare in other populations, is common amongst them. What kind of evolutionary effect is exhibited in this example? Select one of the options below as your answer: A. Mutation B. Natural selection C. Founder effect Weegy: A. Mutation (More)
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Updated 5/21/2013 11:30:54 AM
1 Answer/Comment
People living in equatorial countries have a darker skin tone than others. The reason for this skin tone might be: B. The ancestors of the people living in equatorial countries may have undergone evolutionary adaptation for protection from harmful UV rays that fall straight on the equator.
Added 5/21/2013 11:30:54 AM
What is any factor of an experiment that is not changed called?Select one of the options below as your answer: A. control B. dependent variable C. independent variable
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Updated 5/21/2013 11:18:39 AM
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Any factor of an experiment that is not changed is called a (A.) CONTROL.

Added 5/21/2013 11:18:39 AM
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