Active Science-4:@0.144982:0.974382:0.281457:0.974382:0.281457:0.957785:0.144982:0.957785:0.013067:0.008070:0.007082:0.005752:0.009742:0.009077:0.005087:0.011413:0.008070:0.005752:0.009077:0.011072:0.008070:0.009077:0.006075:0.009993
LET’S:@0.130472:0.074213:0.197897:0.066891:0.194201:0.046567:0.126775:0.053890:0.015098:0.014600:0.015796:0.006087:1.051801
REVISE:@0.119767:0.098214:0.216765:0.087680:0.213069:0.067357:0.116071:0.077891:0.015071:0.015074:0.020308:0.016088:0.015917:1.004724
•:@0.086601:0.115841:0.099474:0.115841:0.099474:0.096226:0.086601:0.096226:0.012873
  Plants and trees make our surroundings clean and fresh.:@0.099579:0.115841:0.676252:0.115841:0.676252:0.096226:0.099579:0.096226:0.005905:0.005629:0.014275:0.006797:0.011917:0.013085:0.008369:0.009941:0.006011:0.011917:0.013085:0.012299:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.018990:0.011917:0.012703:0.010727:0.006011:0.010727:0.013085:0.009538:0.006011:0.009941:0.013085:0.009538:0.009538:0.010727:0.013085:0.013085:0.012299:0.006797:0.013085:0.011513:0.009941:0.006011:0.009538:0.006797:0.010727:0.011917:0.013085:0.006011:0.011917:0.013085:0.012299:0.006011:0.007180:0.009538:0.010727:0.009941:0.013085:0.005905
•:@0.086601:0.142104:0.099474:0.142104:0.099474:0.122489:0.086601:0.122489:0.012873
  Trees provide us raw material like wood to make paper, timber to make furniture :@0.099579:0.142104:0.946984:0.142104:0.946984:0.122489:0.099579:0.122489:0.005905:0.005629:0.014275:0.009538:0.010727:0.010727:0.009941:0.007702:0.012299:0.009538:0.010727:0.011513:0.006797:0.012299:0.010727:0.007690:0.013085:0.009941:0.007690:0.009538:0.011917:0.016632:0.007690:0.018990:0.011917:0.008369:0.010727:0.009538:0.006797:0.011917:0.006797:0.007690:0.006797:0.006797:0.012703:0.010727:0.007702:0.016632:0.010727:0.010727:0.012299:0.007690:0.008369:0.010727:0.007690:0.018990:0.011917:0.012703:0.010727:0.007690:0.012299:0.011917:0.012299:0.010727:0.009538:0.006011:0.007690:0.008369:0.006797:0.018990:0.011917:0.010727:0.009538:0.007690:0.008369:0.010727:0.007690:0.018990:0.011917:0.012703:0.010727:0.007690:0.007180:0.013085:0.009538:0.013085:0.006797:0.008369:0.013085:0.009538:0.010621:0.005905
and firewood for fuel, etc.:@0.111111:0.166093:0.362869:0.166093:0.362869:0.146479:0.111111:0.146479:0.011917:0.013085:0.012299:0.006011:0.007180:0.006797:0.009538:0.010727:0.016632:0.010727:0.010727:0.012299:0.006011:0.007180:0.010727:0.009538:0.006011:0.007180:0.013085:0.010727:0.006797:0.006011:0.006011:0.010727:0.008369:0.009538:0.005905
•:@0.086601:0.192356:0.099474:0.192356:0.099474:0.172741:0.086601:0.172741:0.012873
  They provide medicines.:@0.099579:0.192356:0.351443:0.192356:0.351443:0.172741:0.099579:0.172741:0.005905:0.005629:0.014275:0.013085:0.010727:0.011513:0.006011:0.012299:0.009538:0.010727:0.011513:0.006797:0.012299:0.010727:0.006011:0.018990:0.010727:0.012299:0.006797:0.009538:0.006797:0.013085:0.010727:0.009941:0.005905
•:@0.086601:0.218619:0.099474:0.218619:0.099474:0.199004:0.086601:0.199004:0.012873
  We are cutting excessive trees to meet our needs.:@0.099579:0.218619:0.598486:0.218619:0.598486:0.199004:0.099579:0.199004:0.005905:0.005629:0.020944:0.010727:0.006011:0.011917:0.009538:0.010727:0.006011:0.009538:0.013085:0.008369:0.008369:0.006797:0.013085:0.011513:0.006011:0.010727:0.011513:0.009538:0.010727:0.009941:0.009941:0.006797:0.011513:0.010727:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.008369:0.010727:0.006011:0.018990:0.010727:0.010727:0.008369:0.006011:0.010727:0.013085:0.009538:0.006011:0.013085:0.010727:0.010727:0.012299:0.009941:0.005905
Glossary :@0.073529:0.304606:0.185201:0.304606:0.185201:0.282250:0.073529:0.282250:0.018719:0.007556:0.016105:0.011634:0.011634:0.014196:0.010536:0.014077:0.007216
 :@0.073529:0.329326:0.079435:0.329326:0.079435:0.309711:0.073529:0.309711:0.005905
•:@0.111205:0.329326:0.124078:0.329326:0.124078:0.309711:0.111205:0.309711:0.012873
 :@0.124183:0.329326:0.130088:0.329326:0.130088:0.309711:0.124183:0.309711:0.005905
Deforestation  :  :@0.133987:0.331214:0.320596:0.331214:0.320596:0.309580:0.133987:0.309580:0.017801:0.012299:0.008369:0.013085:0.011131:0.012299:0.010727:0.009155:0.013085:0.009155:0.007966:0.013085:0.014657:0.006096:0.009389:0.006011:0.006203:0.006096
To cut trees in huge numbers.:@0.323529:0.329326:0.620363:0.329326:0.620363:0.309711:0.323529:0.309711:0.014275:0.010727:0.006011:0.009538:0.013085:0.008369:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.006797:0.013085:0.006011:0.013085:0.013085:0.011513:0.010727:0.006011:0.013085:0.013085:0.018990:0.011917:0.010727:0.009538:0.009941:0.005905
 :@0.073529:0.357274:0.079626:0.357274:0.079626:0.335640:0.073529:0.335640:0.006096
•:@0.111205:0.355386:0.124078:0.355386:0.124078:0.335771:0.111205:0.335771:0.012873
 :@0.124183:0.355386:0.130088:0.355386:0.130088:0.335771:0.124183:0.335771:0.005905
Afforestation  :  :@0.133987:0.357274:0.320596:0.357274:0.320596:0.335640:0.133987:0.335640:0.016229:0.008369:0.008369:0.013085:0.011131:0.012299:0.010727:0.009155:0.013085:0.009155:0.007966:0.013085:0.014657:0.006096:0.014891:0.006011:0.006203:0.006096
Plant more trees on barren land.:@0.323529:0.355386:0.647850:0.355386:0.647850:0.335771:0.323529:0.335771:0.014275:0.006797:0.011917:0.013085:0.008369:0.006011:0.018990:0.010727:0.009538:0.010727:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.010727:0.013085:0.006011:0.011917:0.011917:0.009538:0.009538:0.010727:0.013085:0.006011:0.006797:0.011917:0.013085:0.012299:0.005905
Practice Time:@0.073529:0.427920:0.245992:0.427920:0.245992:0.405921:0.073529:0.405921:0.016183:0.012784:0.014735:0.013935:0.012207:0.007430:0.013935:0.014510:0.005882:0.016444:0.008105:0.021882:0.014431
 :@0.073529:0.461062:0.079626:0.461062:0.079626:0.439428:0.073529:0.439428:0.006096
A. Tick the correct option.:@0.102949:0.461062:0.395449:0.461062:0.395449:0.439428:0.102949:0.439428:0.016229:0.006011:0.007180:0.015443:0.007966:0.011917:0.014275:0.006203:0.009155:0.014657:0.012299:0.006203:0.011917:0.013085:0.011131:0.011131:0.012299:0.011917:0.009155:0.006203:0.013085:0.014275:0.009155:0.007966:0.013085:0.014657:0.005905
1.:@0.106263:0.485235:0.124085:0.485235:0.124085:0.465620:0.106263:0.465620:0.011917:0.005905
The destruction of forests leads to shortage of _____________.:@0.133987:0.485235:0.736830:0.485235:0.736830:0.465620:0.133987:0.465620:0.014275:0.013085:0.010727:0.006011:0.012299:0.010727:0.009941:0.008369:0.009538:0.013085:0.009538:0.008369:0.006797:0.010727:0.013085:0.006011:0.010727:0.007180:0.006011:0.007180:0.010727:0.009538:0.010727:0.009941:0.008369:0.009941:0.006011:0.006797:0.010727:0.011917:0.012299:0.009941:0.006011:0.008369:0.010727:0.006011:0.009941:0.013085:0.010727:0.009538:0.008369:0.011917:0.011513:0.010727:0.006011:0.010727:0.007180:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.073529:0.511295:0.079435:0.511295:0.079435:0.491681:0.073529:0.491681:0.005905
  a. plants :@0.124183:0.511295:0.226237:0.511295:0.226237:0.491681:0.124183:0.491681:0.005905:0.003896:0.011917:0.006011:0.006011:0.012299:0.006797:0.011917:0.013085:0.008369:0.009941:0.005905
 :@0.367644:0.511295:0.373549:0.511295:0.373549:0.491681:0.367644:0.491681:0.005905
b. food :@0.571884:0.511295:0.642662:0.511295:0.642662:0.491681:0.571884:0.491681:0.011917:0.006011:0.006011:0.007180:0.010727:0.010727:0.012299:0.005905
 :@0.073529:0.537356:0.079435:0.537356:0.079435:0.517741:0.073529:0.517741:0.005905
  c. animals :@0.124183:0.537356:0.240894:0.537356:0.240894:0.517741:0.124183:0.517741:0.005905:0.003896:0.009538:0.006011:0.006011:0.011917:0.013085:0.006797:0.018990:0.011917:0.006797:0.009941:0.005905
 :@0.367644:0.537356:0.373549:0.537356:0.373549:0.517741:0.367644:0.517741:0.005905
d. birds:@0.571884:0.537356:0.646592:0.537356:0.646592:0.517741:0.571884:0.517741:0.012299:0.006011:0.006011:0.011917:0.006797:0.009538:0.012299:0.009835
 :@0.073529:0.563417:0.079435:0.563417:0.079435:0.543802:0.073529:0.543802:0.005905
2.  Which of the following is made of wood? :@0.106263:0.563417:0.534286:0.563417:0.534286:0.543802:0.106263:0.543802:0.011917:0.006011:0.005905:0.003908:0.020944:0.013085:0.006797:0.009538:0.013085:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.006011:0.007180:0.010727:0.006797:0.006797:0.010727:0.016632:0.006797:0.013085:0.011513:0.006011:0.006797:0.009941:0.006011:0.018990:0.011917:0.012299:0.010727:0.006011:0.010727:0.007180:0.006011:0.016632:0.010727:0.010727:0.012299:0.009538:0.005905
 :@0.073529:0.589477:0.079435:0.589477:0.079435:0.569862:0.073529:0.569862:0.005905
  a. Table :@0.124183:0.589477:0.219461:0.589477:0.219461:0.569862:0.124183:0.569862:0.005905:0.003896:0.011917:0.006011:0.006011:0.014275:0.011917:0.011917:0.006797:0.010727:0.005905
 :@0.367644:0.589477:0.373549:0.589477:0.373549:0.569862:0.367644:0.569862:0.005905
b. Freezer:@0.571884:0.589477:0.671572:0.589477:0.671572:0.569862:0.571884:0.569862:0.011917:0.006011:0.006011:0.014275:0.009538:0.010727:0.010727:0.010324:0.010727:0.009431
 :@0.073529:0.615538:0.079435:0.615538:0.079435:0.595923:0.073529:0.595923:0.005905
  c. Television :@0.124183:0.615538:0.262837:0.615538:0.262837:0.595923:0.124183:0.595923:0.005905:0.003896:0.009538:0.006011:0.006011:0.014275:0.010727:0.006797:0.010727:0.011513:0.006797:0.009941:0.006797:0.010727:0.013085:0.005905
 :@0.367640:0.615538:0.373545:0.615538:0.373545:0.595923:0.367640:0.595923:0.005905
d. Oven:@0.571884:0.615538:0.648057:0.615538:0.648057:0.595923:0.571884:0.595923:0.012299:0.006011:0.006011:0.016632:0.011513:0.010727:0.012979
 :@0.073529:0.641598:0.079435:0.641598:0.079435:0.621984:0.073529:0.621984:0.005905
3.  Trees give us _____________.:@0.106263:0.641598:0.416181:0.641598:0.416181:0.621984:0.106263:0.621984:0.011917:0.006011:0.005905:0.003908:0.014275:0.009538:0.010727:0.010727:0.009941:0.006011:0.011513:0.006797:0.011513:0.010727:0.006011:0.013085:0.009941:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.073529:0.667659:0.079435:0.667659:0.079435:0.648044:0.073529:0.648044:0.005905
  a. oxygen :@0.124183:0.667659:0.232918:0.667659:0.232918:0.648044:0.124183:0.648044:0.005905:0.003896:0.011917:0.006011:0.006011:0.010727:0.011513:0.011513:0.011513:0.010739:0.013085:0.005905
 :@0.367655:0.667659:0.373560:0.667659:0.373560:0.648044:0.367655:0.648044:0.005905
b. nitrogen :@0.571895:0.667659:0.685582:0.667659:0.685582:0.648044:0.571895:0.648044:0.011917:0.006011:0.006011:0.013085:0.006797:0.008369:0.009538:0.010727:0.011513:0.010727:0.013085:0.005905
 :@0.073529:0.693720:0.079435:0.693720:0.079435:0.674105:0.073529:0.674105:0.005905
  c. carbon dioxide :@0.124183:0.693720:0.305353:0.693720:0.305353:0.674105:0.124183:0.674105:0.005905:0.003896:0.009538:0.006011:0.006011:0.009538:0.011917:0.009538:0.011917:0.010727:0.013085:0.006011:0.012310:0.006797:0.010727:0.011513:0.006797:0.012299:0.010727:0.005905
 :@0.367649:0.693720:0.373554:0.693720:0.373554:0.674105:0.367649:0.674105:0.005905
d. none of these:@0.571895:0.693720:0.726515:0.693720:0.726515:0.674105:0.571895:0.674105:0.012299:0.006011:0.006011:0.013085:0.010727:0.013085:0.010727:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.009941:0.010621
 :@0.073529:0.719780:0.079435:0.719780:0.079435:0.700165:0.073529:0.700165:0.005905
4.  Cutting many trees is called _____________.:@0.106263:0.719780:0.565703:0.719780:0.565703:0.700165:0.106263:0.700165:0.011917:0.006011:0.005905:0.003908:0.015443:0.013085:0.008369:0.008369:0.006797:0.013085:0.011513:0.006011:0.018990:0.011917:0.013085:0.011513:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.006797:0.009941:0.006011:0.009538:0.011917:0.006797:0.006797:0.010727:0.012299:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.073529:0.745841:0.079435:0.745841:0.079435:0.726226:0.073529:0.726226:0.005905
  a. deforestation :@0.124183:0.745841:0.294236:0.745841:0.294236:0.726226:0.124183:0.726226:0.005905:0.003896:0.011917:0.006011:0.006011:0.012299:0.010727:0.007180:0.010731:0.009538:0.010727:0.009941:0.008369:0.011917:0.008369:0.006797:0.010727:0.013085:0.005905
 :@0.367652:0.745841:0.373557:0.745841:0.373557:0.726226:0.367652:0.726226:0.005905
b. afforestation :@0.571888:0.745841:0.728207:0.745841:0.728207:0.726226:0.571888:0.726226:0.011917:0.006011:0.006011:0.011917:0.007180:0.007180:0.010727:0.009538:0.010727:0.009941:0.008369:0.011917:0.008369:0.006797:0.010727:0.013085:0.005905
 :@0.073529:0.771902:0.079435:0.771902:0.079435:0.752287:0.073529:0.752287:0.005905
  c. plantation :@0.124183:0.771902:0.264815:0.771902:0.264815:0.752287:0.124183:0.752287:0.005905:0.003896:0.009538:0.006011:0.006011:0.012299:0.006797:0.011917:0.013085:0.008369:0.011919:0.008369:0.006797:0.010727:0.013085:0.005905
 :@0.367649:0.771902:0.373554:0.771902:0.373554:0.752287:0.367649:0.752287:0.005905
d. none of these:@0.571887:0.771902:0.726506:0.771902:0.726506:0.752287:0.571887:0.752287:0.012299:0.006011:0.006011:0.013085:0.010727:0.013085:0.010727:0.006011:0.010727:0.007180:0.006011:0.008369:0.013085:0.010727:0.009941:0.010621
 :@0.073529:0.807880:0.079626:0.807880:0.079626:0.786246:0.073529:0.786246:0.006096
B. Fill in the blanks.:@0.102949:0.807880:0.328389:0.807880:0.328389:0.786246:0.102949:0.786246:0.016632:0.006011:0.006776:0.015443:0.007966:0.007583:0.007583:0.006203:0.007966:0.014657:0.006203:0.009155:0.014657:0.012299:0.006203:0.013871:0.007583:0.013085:0.014657:0.014275:0.010727:0.005905
 :@0.073529:0.832053:0.079435:0.832053:0.079435:0.812438:0.073529:0.812438:0.005905
1.  Trees provide us clean air to _____________.:@0.106263:0.832053:0.566967:0.832053:0.566967:0.812438:0.106263:0.812438:0.011917:0.006011:0.005905:0.003908:0.014275:0.009538:0.010727:0.010727:0.009941:0.006011:0.012299:0.009538:0.010727:0.011513:0.006797:0.012299:0.010727:0.006011:0.013085:0.009941:0.006011:0.009538:0.006797:0.010727:0.011917:0.013085:0.006001:0.011917:0.006797:0.009538:0.006011:0.008369:0.010727:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.073529:0.857356:0.079435:0.857356:0.079435:0.837741:0.073529:0.837741:0.005905
2.  We get _____________ for industries from trees.:@0.106263:0.857356:0.601474:0.857356:0.601474:0.837741:0.106263:0.837741:0.011917:0.006011:0.005905:0.003908:0.020944:0.010727:0.006011:0.011513:0.010727:0.008369:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.006011:0.007180:0.010727:0.009538:0.006011:0.006797:0.013085:0.012299:0.013085:0.009941:0.008369:0.009538:0.006797:0.010727:0.009941:0.006011:0.007180:0.009538:0.010727:0.018990:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.005905
 :@0.073529:0.882659:0.079435:0.882659:0.079435:0.863044:0.073529:0.863044:0.005905
3.  We should plant more trees to reduce the harmful effects of _____________.:@0.106263:0.882659:0.874198:0.882659:0.874198:0.863044:0.106263:0.863044:0.011917:0.006011:0.005905:0.003908:0.020944:0.010727:0.006011:0.009941:0.013085:0.010727:0.013085:0.006797:0.012299:0.006011:0.012299:0.006797:0.011917:0.013085:0.008369:0.006011:0.018990:0.010727:0.009538:0.010727:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.006011:0.008369:0.010727:0.006011:0.009538:0.010727:0.012299:0.013085:0.009538:0.010727:0.006011:0.008369:0.013085:0.010727:0.006011:0.013085:0.011917:0.009538:0.018990:0.007180:0.013085:0.006797:0.006011:0.010727:0.007180:0.007180:0.010727:0.009538:0.008369:0.009941:0.006011:0.010727:0.007180:0.006011:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.005905
 :@0.073529:0.908720:0.079435:0.908720:0.079435:0.889105:0.073529:0.889105:0.005905
4.  Organise events like _____________ to plant trees.:@0.106263:0.908720:0.627822:0.908720:0.627822:0.889105:0.106263:0.889105:0.011917:0.006011:0.005905:0.003908:0.016632:0.009538:0.011513:0.011917:0.013085:0.006797:0.009941:0.010727:0.006011:0.010727:0.011513:0.010727:0.013085:0.008369:0.009941:0.006011:0.006797:0.006797:0.012703:0.010727:0.006011:0.010714:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.010727:0.006011:0.008369:0.010727:0.006011:0.012299:0.006797:0.011917:0.013085:0.008369:0.006011:0.008369:0.009538:0.010727:0.010727:0.009941:0.005905
104:@0.075163:0.967768:0.105324:0.967768:0.105324:0.951170:0.075163:0.951170:0.010083:0.010083:0.009993