False, as it could be inferring about many different things.
What do you mean by sign a what?
<em />I am doing the exact same thing. I don't know what I'm doing!!!<em />
Answer:
they can make people aware about population to balance , they can utilize their knowledge on development of society, they can participate in different development program etc
Answer:
It would be very hard to move, the trains and/or busses would probably run late because of the amount of people.
If there is way to many people, people may get rowdy and starting getting angry at each other, possibly resulting in someone getting injured.
