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1 |
While hiking through Granville State Forest, a student finds an unusual plant-like organism that appears to lack chlorophyll. When the student examines a sample using a microscope, he sees many cells with cell walls and no chloroplasts.
This organism is most likely a member of what Kingdom? |
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| A. | Animalia | | B. | Eubacteria | | C. | Fungi | | D. | Protista |
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2 |
Which of the following statements best explains why the lower mantle of Earth is much more rigid and dense than the upper mantle? |
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| A. | The lower mantle is older than the upper mantle. | | B. | The lower mantle is cooler than the upper mantle. | | C. | The lower mantle is under more pressure than the upper mantle. | | D. | The lower mantle is farther from the core than the upper mantle. |
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3 |
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| A. | an assistive device | | B. | a structural support | | C. | a prosthetic device | | D. | a suspension system |
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4 |
Which of the following is an example of a physical change? |
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| A. | lighting a match | | B. | breaking a glass | | C. | burning of gasoline | | D. | rusting of iron |
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5 |
Mercury, the planet nearest to the Sun, has extreme surface temperatures, ranging from 465°C in sunlight to −180°C in darkness.
Why is there such a large range of temperatures on Mercury? |
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| A. | The planet is too small to hold heat. | | B. | The planet is heated on only one side. | | C. | The planet reflects heat from its dark side. | | D. | The planet lacks an atmosphere to hold heat. |
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