- Withtheworldintheprogressofmedicaltechnology,thepopulationoftheworldismoreandmore。Somepeoplesay,peopleisagoodthing,peoplemorepower。Butmanypeoplealsowillcausealotofproblems。Thegrowingpopulation,needsfoodmoreandmore。Buttheworld'sresourcesarelimited。P...
- 20005