Til aspektlari amaliyoti

4. What major change has occurred in the polar bear's natural habitat? 
a) colder air temperatures 
b) less hunger and exhaustion 
c) disappearing sea ice 
5. Which type of energy contributes to global warming? 
a) hydro-electricity 
b) coal-generated electricity 
c) wind-generated electricity 
6. Certain companies use money and political influence to attack climate science and 
renewables in order to protect 
a) endangered species 
b) natural habitats 
c) their future profits 

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7. The World Wildlife Fund estimates that _______ of Arctic sea ice has disappeared in the 
past 30 years. 
a) over 25% 
b) over 20% 
c) about 10% 
8. What type of conservation efforts are people generally interested in? 
a) saving insects and spiders 
b) protecting large animals 
c) reforestation projects 
9. Many threatened or endangered species can be saved by a large 
a) reforestation project 
b) food chain 
c) coal mine 
10. Thanks to laws that protect them, species that make it onto the endangered species list 
_______ become extinct. 
a) always 
b) often 
c) rarely 
Activity 5 

1. Honeybees are very important because they produce honey and 
a) sting people 
b) cure allergies 
c) pollinate flowers 
2. The problem of honeybees disappearing is called 
a) colony disappearing disorder 
b) colony collapse disorder 
c) colony cooperation disorder 
3. According to the article, honeybees pollinate ________ of America's food supply. 
a) all 
b) a quarter 
c) one third 
4. If honeybees disappear due to CCD, food prices will 
a) rise 
b) fall 
c) collapse