Fill in the necessary words (mammals, extinction, wastes, conservation, density, survive, pollution)
1. Many large have been hunted to .
2. Voluntary movement in Britain has been traditionally strong.
3. The of population is higher in large urban areas.
4. Seabirds can hardly after enormous water .
1)- wastes, survive
2)- density
3)- conservation
4)- extinction, pollution.
Надеюсь правильно.