Environmental Sciences Quiz 84 (20 MCQs)

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1. Normal precipitation has a pH of about 5.6. What pH might acid precipitation have?
2. What is responsible for holding heat on Earth?
3. How does the Philippines benefit from the Pacific Ring of Fire?
4. Which is NOT a factor of demand?
5. The primary cause of invasive species introduction is
6. Which of the following has the levels of organization in order from smallest to largest?
7. Formed from dead trees and plants
8. In a given ecosystem, producers convert solar energy into 15, 000kcal of chemical energy stored in organic compounds. Which of the following is the most likely amount of energy available to secondary consumers?
9. Which layer of the Earth is the hottest?
10. One of my fish has a white fuzzy patch growing on his side. I looked in my fish books, and I think it is a fungus. I put some medicine in the water, and one week later he was fine and the fungus was gone. What was the dependent variable?
11. What is the ultimate source of energy for the water cycle?
12. The idea that resources that are not regulated well will eventually be used up is called
13. Landslides can happen both by nature and human activities. The natural cause of landslide is .....
14. Chlorofluorocarbon molecules are environmentally significant because
15. If we don't look after resources, we will have .....
16. Fixation is associated with
17. Which of the following can be added to a compost bin?
18. Diatoms, Amoebas, and Paramecia are members of which Kingdom?
19. What could possibly be a result of decreasing a population of vultures in a desert ecosystem?
20. The boundary where most large earthquakes occur