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21. The diagram shows 3 different items. Which statement about the items is true?
C. They are all made of atoms.
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37. The diagram shows different layers of soil. Which layer would have earthworms and other organisms that help in the process of decomposition?
B. layer A
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24. The table shows the steps involved in the hearing process, but they are out of order. Which sequence correctly orders the process?
C. Z-W-V-Y-X
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100 free points for your team
that just makes me want to scream!!
100
34.The arrangement of particles of matter in three different substances placed in three containers is shown. Which containers are correctly paired with their substances?
C. container 1- gas; container 2- liquid; container 3- solid
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38. Two important plant processes and their products are shown in the form of a cycle. What are the two processes?
C. 1: photosynthesis; 2: transpiration
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28. Scientists study seismic waves after an earthquake to make inferences about the properties of Earth's layers. Examine the diagram showing the cross section of Earth and where an earthquake begins. Each P wave and S wave have been labeled. What can be inferred about the properties of the outer core?
B. Since only the P waves travel through the outer core, it can be inferred that it is solid.
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36. The table shows some characteristics of Venus and Earth. Which characteristic differs most between Venus and Earth?
D. surface temperature
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30. The table lists the names of some organisms found in a lake. Using the organisms listed, which food chain shows one way energy flows through the trophic levels of the ecosystem?
B. phytoplankton-mayfly-trout-eagle
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200 FREEEEE POOOOOOINTSSSSSSS
whoop whoop!!
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27. Study the image of the Sun, Earth, and Moon. When viewed from Earth, how will the Moon appear?
A.
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300 FREE POINTS
hip hip hooray
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32. A person attends a performance of the local symphony orchestra at a concert hall. Sound waves produced by a trumpet having a particular amplitude and frequency are reaching the listener's ears at the performance. What must happen in order for the trumpet to sound louder to the listener's ears?
B. The amplitude of the sound waves must increase.
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35. Black paint and white paint were used to draw lines in a parking lot. On a sunny day, the temperature of each line was measured. What conclusion can be make based on the results?
B. Heat transfer through radiation is greater on the black paint than the white.
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26. Scientists are looking for signs that life may have existed on other planets in out solar system. The presence of which characteristic, currently unique to Earth, might be an indication of past life?
C. presence of liquid water
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33. Which statement accurately describes matter?
D. matter is made up of very small particles and has volume
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23. A cup of ice water and a cup of hot water are placed at room temperature (25*C). Which graph shows how the temperature of the water in the two containers changes over time?
A.
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400 points for free can it be????
YES it is true so don't be blue
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22. Three balloons are filled with room temperature (25*C) air so that the circumference is 20 cm. One is left at room temperature, one is placed in a sunny window, and one is placed in the freezer. Which shows the circumference of the balloons after 30 minutes?
A. sunny window= 30cm, room temp= 20 cm, freezer= 15cm
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40. Molly tried growing a plant in the box shown. What type of plant tropism best describes what she observed?
C. phototropism
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WOW 500 FREEEEE POINTSSSSSSS
AWESOMENESS!!!!!
500
25. Farmers were unable to grow beans on a particular piece of land, so they collected soil samples and sent them for laboratory tests. The tests determined that the soil's nutrients were not being utilized by the plants. What would be the primary cause of this issue?
C. soil pH
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29. Caroline established a closed plant terrarium for her home. If sunlight is prevented from reaching the terrarium for three weeks, how will the plants in the terrarium be affected?
C. The plants in the terrarium will stop growing and begin to turn yellow.
500
39. The table shows features of four plants. Which plant feature helps keep feeding herbivores away?
D. fleshy leaves
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31. Juan takes three paper cups and paints them three different colors. He pours an equal amount of water in each and places them in sunlight. After three hours, Juan finds that the water in the second cup is warmer that the water in the other cups. What property of light caused these results?
D. absorption