don't ask

Apr 05, 2005 23:00

More college rubbish. It's not even vaguely interesting



1) State 3 effects of acid rain ___________________________________________________________
________________________________________________________________________________________

2) Name an indicator species for air quality ___________

3) Name 2 important groups of air pollutants and their sources ____________________________
________________________________________________________________________________________
________________________________________________________________________________________

4) Which pollutant levels have increased in recent years due to vehicle exhausts?_____

5) In what year was the Clean Air Act passed? ___________

6) Why are the consequences of acid rain most serious in the forests and lakes of Sweden, Norway, Canada and Scotland?
________________________________________________________________________________________
________________________________________________________________________________________

7) What is the effect of acid rain on the pH of rivers and lakes? _____________

8) What toxic metals are released into rivers by acid rain? __________________________

9) What is the most serious effect of these metals? ___________________________

10) Which fish (age of) are worst affected? _____________________

11) How are the adult fish harmed? ________________________________________________________

12) What other species disappear? _________________________________________________________

13) In the absence of competition, what 'type' of organisms may thrive? 'acid ___________'

14) Water becomes clear in the absence of what? ___________________________________________

15) These fish are more resistant to acid rain ________
(Hint: Ian Lavender's character in Dad's Army)

16) Which form of acid rain causes damage to leaves and needles? ________

17) What happens to the rate of decomposition and nutrient release? increase/decrease

18) Why is it dangerous to graze livestock on land affected by pollution? ____________
__________________________________________________________________________________

19) The addition of ____ helps lesson the acidification of soil via the process called ______

20) This is endangered, what is it?
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