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Anthropogenic Activities And Their Impacts On Environment Quiz 5 (25 MCQs)

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1. When deciding on new environmental policies and laws, which term is used to describe the comparison between benefits and costs of human activities?
2. Scientist now consider human activities to be the major cause of global change. What do we call this "age of humans" ?
3. An increase in human population puts a stress on resources that can be renewed, such as
4. Approx. how many people are on this planet today?
5. Scientists found that the topsoil of a riverbank had greatly eroded. After doing some research, they learned that the riverbank is flooded almost every year.What would be the bestway to preserve the topsoil?
6. Rising CO2 levels has lead to a rise in average global temperatures. Based on this information, how is CO2 impacting the sea levels?
7. Pollution can cause harm to _____
8. Humans often change ecosystems as a result of population growth, consumption, and technology. Which of the following exemplifies a way in which humans modify ecosystems?
9. Recycling cannot help with which environmental problem?
10. What is included in the calculation of your ecological footprint
11. The oceans can provide a large supply of our food. What would be the best decision to provide abundant marine food resources for the future?
12. Pollution resulting from the use of fertilizers and the disposal of sewage from humans and livestock can lead to an algal bloom. The effects of these pollutants on algae growth can be intensified as a result of which of the following?
13. Which of these produces most of the compounds responsible for causing acid rain?
14. Coal, oil and gas are examples of
15. Which of the following items does not create air pollution?
16. Soil erosion, or the wearing away of surface soils, along with dry climates, over farming, over grazing, and drought can lead to what event?
17. The ozone layer protects Earth by absorbing-
18. The _____ the water in our oceans, the _____ CO$_{2}$ it can absorb.
19. What is a resource that can regenerate if they are alive or can be replenished by biogeochemical cycles if they are nonliving?
20. Which government organization helps regulate superfund sites?
21. From the graph of human population what caused a major decline in people
22. Pollution can enter the hydrosphere (water on the Earth's surface) in many different ways. Which statement describes a type of point-source pollution?
23. The introduction of chemicals and other materials into the atmosphere is called:
24. Which resource do people get from the geosphere?
25. What may happen when a lake ecosystem becomes polluted with fertilizers or pesticides?
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