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Jeffery pookstein

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3. Describe how elements on the periodic table are arranged and what an element’s position on the periodic table means. Give two examples of elements and describe their properties based on their position on the periodic...
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2. Explain in a brief paragraph how human activities have affected the nitrogen cycle in both positive and negative ways.
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1. Should clean water be classified as a renewable or nonrenewable resource?
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Which option best describes the difference between uranium-235 and uranium-238? Responses They have different numbers of neutrons. They have different numbers of neutrons. They have different numbers of electrons. They h...
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What does the atomic number equal? Responses number of protons in the atomic nucleus number of protons in the atomic nucleus number of protons and neutrons in the atomic nucleus number of protons and neutrons in the atom...
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Which factor plays the greatest role in determining the climate in a highland region? Responses latitude latitude elevation elevation ocean currents ocean currents proximity to large bodies of water proximity to large bo...
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Which climatic zone is always hot and humid? Responses arid arid tropical wet tropical wet Mediterranean Mediterranean temperate continental
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Which change to Earth's atmosphere would result in a very cold planet with no liquid water and no plant or animal life? Responses increase in ozone concentrations increase in ozone concentrations increase in oxygen conce...
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Which characteristic distinguishes a renewable resource? Responses easily accessible and used easily accessible and used requires high levels of technology and funding requires high levels of technology and funding abili...
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The clumping together of water vapor into water droplets is called __________. Which term best completes the sentence? Responses evaporation evaporation condensation condensation transpiration transpiration precipitation
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How do animals obtain nitrogen? Responses by consuming plants and other organisms by consuming plants and other organisms by hosting nitrogen-fixing bacteria in their bodies by hosting nitrogen-fixing bacteria in their b...
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Which cycle is affected by the burning of fossil fuels and the release of CO2 into the atmosphere? Responses carbon cycle carbon cycle water cycle water cycle nitrogen cycle nitrogen cycle oxygen cycle
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Which Earth sphere includes ozone gas? Responses cryosphere cryosphere geosphere geosphere hydrosphere hydrosphere atmosphere
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What conclusion did English surveyor William Smith make after cataloguing fossils found in rocks? Responses Layers of rock containing similar fossils must be the same age. Layers of rock containing similar fossils must b...
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Which option describes a topic studied by earth scientists? Responses asteroid impacts asteroid impacts reproduction reproduction objects in motion objects in motion animal cells animal cells
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. Which choice correctly describes the subatomic particles in the isotope 44Ca? Responses 20 prot...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. Which class of elements is most likely a gas at room temperature? Responses metalloids metalloi...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. Which element is the most electronegative? Responses barium barium iron iron francium francium...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. In which group of the periodic table do you find halogens? Responses 7A 7A 8A 8A 2A 2A 1A
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. An atom of magnesium has an atomic number of 12 and a mass number of 24. How many neutrons are...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. A miner finds a small mineral fragment with a volume of 5.74 cm³ and a mass of 14.4 g. What is...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. Which chemical formula represents both an element and a molecule? Responses O2 uppercase O subs...
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Unless otherwise instructed, you may use the periodic table in the Chemistry: Problems and Solutions book for this question. What type of chemist would study the energies and heats involved in chemical reactions? Respons...
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Read the passage. Me llamo Camila. Soy alta, pelirroja y tengo ojos color marrón. Soy simpática y divertida. Mi color favorito es el rojo. Question What color are Camila's eyes? Responses brown brown blue blue green
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Read the passage. Me llamo Camila. Soy alta, pelirroja y tengo ojos color marrón. Soy simpática y divertida. Mi color favorito es el rojo. Question What color is Camila's hair? Responses blond blond brown brown red
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