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MTLE Middle Level Science: Human Interactions with Earth Systems Chapter Exam

Exam Instructions:

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

Page 1

Question 1 1. What are large pieces of the lithosphere called?

Question 2 2. Which is NOT a chemical hazard?

Question 3 3. Which of the following is NOT a reason that sphere interactions are important?

Question 4 4. Which of these statements is TRUE?

Question 5 5. Which of the following statements is true?

Page 2

Question 6 6. Which of the following is NOT related to global climate change?

Question 7 7. The process that helped increase the levels of oxygen on Earth is known as:

Question 8 8. _____ is an air pollutant. It is an odorless gas which is produced as a result of the burning of industrial waste. If inhaled it hinders delivery of oxygen throughout the body.

Question 9 9. The best method for assessing water pollution is to:

Question 10 10. Why is deforestation harmful to biodiversity?

Page 3

Question 11 11. Why is asbestos considered an environmental hazard?

Question 12 12. Cultural hazards come from

Question 13 13. A plant rooted in the ground has a connection to which sphere(s)?

Question 14 14. How can you tell where one sphere ends and the next one begins?

Question 15 15. What is the single greatest threat to biodiversity?

Page 4

Question 16 16. How are primary pollutants compared to secondary pollutants?

Question 17 17. Which is FALSE about air pollution?

Question 18 18. Most of air today is composed of:

Question 19 19. Which is NOT one of Earth's four spheres?

Question 20 20. Which is NOT a source of groundwater pollution?

Page 5

Question 21 21. Which of the following statements describes infiltration?

Question 22 22. Why are plants and animals part of the biosphere?

Question 23 23.

Part of the Clean Air Act legislation of 1970 is reproduced as follows:

It sets limits on emissions and standards for air quality, provided funding for pollution control research but prevents citizens to sue those who violate the standards. The standards set forth in this legislation by the Environmental Protection Agency, or EPA, identified six pollutants.

Which part is wrongly reproduced?

Question 24 24. Earth's ancient atmosphere was largely filled with_____that was _____

Question 25 25. What is the most likely source of nutrient pollution?

Page 6

Question 26 26. Non-point source pollution is

Question 27 27. The interior of the Earth is part of which sphere?

Question 28 28. The seafloor lithosphere is mainly composed of _________.

Question 29 29. What physical property of rocks is used to define the lithosphere?

Question 30 30. Which is NOT a type of environmental hazard?

MTLE Middle Level Science: Human Interactions with Earth Systems Chapter Exam Instructions

Choose your answers to the questions and click 'Next' to see the next set of questions. You can skip questions if you would like and come back to them later with the yellow "Go To First Skipped Question" button. When you have completed the practice exam, a green submit button will appear. Click it to see your results. Good luck!

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