Can someone help me with this worksheet. i cant find the answers and i lost my book.
thankss!!!
1. Which is the GREATEST threat to ocean ecosystems?
unsafe fishing methods
widening ozone hole
nuclear waste
deforestation
2. Which of these is a natural cause of widespread destruction of habitats and the release of greenhouse gases?
earthquake
hurricane
tornado
volcano
3. Earth’s ozone layer blocks harmful __________ light.
infrared
visible
ultraviolet
blue
4. Which of these is a characteristic of nuclear power?
expensive
renewable
generates no wastes
releases carbon dioxide
5. Which gas found in the atmosphere is NOT considered to be a greenhouse gas?
methane
nitrogen
carbon dioxide
water vapor
6. Nations such as China and India are adding large amounts of carbon dioxide to the atmosphere as they develop which part of their economy?
fishing
medicine
industrial factories
tourism
7. Which of these provides energy both that organisms need to live and for generating electricity?
wind
solar energy
oil
nuclear fuel
8. Which activity contributes to the greenhouse effect indirectly?
deforestation
conservation
photosynthesis
fossil fuel combustion
9. Which activity of citizens’ environmental groups has the MOST negative reputation?
Comprehensive Everglades Restoration Plan
activism against animal testing
Earth Day celebrations
Endangered Species Act
10. Which method of power generation is the cleanest and least damaging to the environment?
fossil fuel combustion
nuclear fission
wind turbines
geothermal energy
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- Solar Producer: What Are The Answers To The Follwoing Questions? PLEASE DOUBLE CHECK.. GETTING GRADED!? (5/11/2011)

{ 1 comment… read it below or add one }
1. my guess would be unsafe fishing methods.
2. volcano
3. ultraviolet
4. releases carbon dioxide
5. i think it’s nitrogen
6. industrial
7. solar energy
8. ??deforestation
9. ???
10. ??
sorry i tried my best i just can’t remember i did this last year