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Question 1 of 10
1. Question
The following equation shows the molecular reaction of the burning of acetylene in a welding torch.
Which of the following statements is true about this equation?
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Question 2 of 10
2. Question
In a bike race, the racers achieved the following times related to their distance. Each racer could opt to complete the full distance, a half distance, or a quarter distance.
Racer Distance (m) Time (s) 1 1600 142 2 1600 160 3 3200 330 4 3200 400 5 3200 386 6 6400 610 7 6400 625 Which racer had the highest velocity?
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Question 3 of 10
3. Question
The following chart indicates the different boiling points of several different organic compounds.
Which of the following statements is true?
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Question 4 of 10
4. Question
Which of the following is found in all states of matter at room temperature?
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Question 5 of 10
5. Question
The following cladogram illustrates the evolutionary relationships and similarities of different species. Based upon this information, which of the following statements is true?
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Question 6 of 10
6. Question
The following chart shows the usage rate of biofuels in 2017 in million tons of oil equivalent (Mtoe). Based upon this data, how much of the total biofuel use is done by natural gas vehicles (NGV)?
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Question 7 of 10
7. Question
Based upon the following diagram, in which genotype(s) would the allele be recessive?
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Question 8 of 10
8. Question
In the following ecosystem, a dramatic increase in the red winged blackbird population could lead to a corresponding decrease in what other species populations?
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Question 9 of 10
9. Question
Based upon the following table concerning data about the different atmospheric layers, which of the following statements is true?
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Question 10 of 10
10. Question
Which of the following statements is true about the earth’s inner core?
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