- a tropical rainforest once destroyed can never be_________
- people should be told about the things that threaten the safety of_____ so that they can avoid doing them
- toxic chemicals from factories are one of the serious factors that leads wildlife to the______extinction
- environmentalists these days are doing anything that is legal in order to protect some species from______
- ___________is the protection of environment and natural resources.
- our national heritage of biological_________is an invaluable......
- one of the effects of acid rain is that it causes plants to_______
- many nations have laws offering protection..........or creating________
- the nature serve network empowers people to sustain________by making sure......
- many species are threatened in the wild due to habitat__________by man
- it is estimated about 15.000 species of plants and animals are________each year
- different _________ efforts have been made in order to save ......
- _________is the existence of a wide variety of plant.......
- our national heritage of biological______is an invaluable and irreplaceable resource
- mammoths and dinosaurs used to live on earth quite a long time, but they are now_____
- loss of habitat and increased commercial hunt___________the number of chimpanzees.....
- Governments have______laws to protect wildlife from overhunting
- Illegal hunting in Namibia, Zimbabwe and Botswana, puts African elephants_____of extinction
- in some countries........for the________of seal hunting
- the world's biodiversity........___________